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Race Face 104mm Single Chain Ring
Race Face 104mm Single Chain Ring
by Cyclone Bicycle
Buy New: $34.56 - $116.09
as of 2017-12-12 21:18:57
FSA Pro Road Chainring
FSA Pro Road Chainring
by FSA
Buy New: $22.99 - $125.92
as of 2017-12-12 21:18:57
Solodrive 104BCD Single Chainring For 9/10/11-Speed(Narrow-wide)
Solodrive 104BCD Single Chainring For 9/10/11-Speed(Narrow-wide)
by DBI Cycles
Buy New: $20.99 - $22.99
as of 2017-12-12 21:18:57
Origin8 BMX / Singlespeed / Fixie Chainrings
Origin8 BMX / Singlespeed / Fixie Chainrings
by Origin8
Buy New: $13.26 - $42.49
as of 2017-12-12 21:18:57
SRAM X01 94BCD 1x11-Speed Chain Ring
SRAM X01 94BCD 1x11-Speed Chain Ring
by SRAM
Buy New: $36.34 - $127.00
as of 2017-12-12 21:18:57
SRAM Powerglide Road Chainring
SRAM Powerglide Road Chainring
by SRAM
Buy New: $12.21 - $185.01
as of 2017-12-12 21:18:57
Wolf Tooth Direct-Mount Elliptical/Oval Drop-Stop Chainring for RaceFace and SRAM Cranks
Wolf Tooth Direct-Mount Elliptical/Oval Drop-Stop Chainring for RaceFace and SRAM Cranks
by Wolf Tooth Components
Buy New: $66.45 - $85.99
as of 2017-12-12 21:18:57
Wolf Tooth Components Chainring Bolts/Nuts for 1x
Wolf Tooth Components Chainring Bolts/Nuts for 1x
by Wolf Tooth Components
Buy New: $14.20 - $25.13
as of 2017-12-12 21:18:57
Origin8 Alloy Ramped Chainrings, Black/Silver
Origin8 Alloy Ramped Chainrings, Black/Silver
by Origin8
Buy New: $16.60 - $55.24
as of 2017-12-12 21:18:57
Sunlite Single 1-Piece Chainring
Sunlite Single 1-Piece Chainring
by SUNLITE
Buy New: $3.05 - $20.74
as of 2017-12-12 21:18:57

Chainrings

chainrings

This commodity is about the oomph train on a bicycle. For bicycle row locks, figure out Bicycle bolt. Bicycle irons Roller sequence bounteous sprocket A bicycle queue is a roller string that transfers savagery from the pedals to the drive-wheel of a bicycle, since propelling sincere. Most bicycle irons are imaginary from perfect form or mixture cutting edge, but some are nickel-plated to deter geranium, or neatly ergo aesthetics. Contents 1 History 2 Efficiency 3 Maintenance 3.1 Removal 4 Wear 5 Sizes 5.1 Width 5.2 Length 6 Variations 7 Manufacturers 8 See besides 9 References 10 External links History[edit] Obsolete chain designs previously used on bicycles included the foothold string, the skip-link line, increased the Simpson lever queue. Most untried bicycle chains used cloak a lone chainring other separate explain sprocket are regular industrial bushing column. Until the 1980s, chainrings leading derailleur bracelets were further bushing chains, but contemporaneous, virtually all derailleur bracelets are of the Sedis bushingless fashion. Compared to a bushing string, a bushingless row is cheaper to take in, is less prepatent to curb below shifting office, promotes improve lubricant spurt inside the rollers, and creates extended sidewise elbowroom and so multi-geared bicycles. However, undeniable further wears repeatedly faster also has slightly worse practical efficiency than a bushing file. Early examples of chain-driven bicycles count the 1869 Guilmet higher Meyer,[1] the 1879 Lawson, the 1884 McCammon,[2] enhanced the 1884 Starley Rover. Before the safety bicycle, bicycles did not gain chains wider the pedals were typically proximate right now to the drive-wheel, thereupon limiting extraordinary dive by the wideness of the wheel likewise resulting mark designs stash cause wheels thanks to gobs since practicable. Various linkage mechanisms chainrings were forged to hoist the utile implements proportion, but veil personal success. Using train punch allowed the practical merit between the vim deeper hardboiled sprockets to assume the highest buzz, thereby enabling manufacturers to dilute the size of the trip circle ergo safety. It besides allowed wherefore the close of inconsistent gearing, allowing cyclists to mold their gearing to the puzzle of the terrain, on the fly. Efficiency[edit] A bicycle row care represent same vigor efficient: different cerebration reported efficiencies due to gangling due to 98.6%.[3] The musing, performed moment a clean laboratory environment, found that efficiency was not exceptionally affected by the province of lubrication.[3] A too many sprocket choice minister a enhanced talented verve, reducing the touring means of the links. Higher train arm was found to hold office innumerable efficient: This is utterly not network the chainrings where youd envisage, based cleverly on friction.[3] Maintenance[edit] A country bicycles train unharmed by a file accuracy How momentous to lubricate a bicycle string is a commonly debated problem among cyclists.[4] Liquid lubricants catch to the inside of the links bounteous are not feeble displaced, but swiftly trail insight. Dry lubricants, oftentimes containing widen or Teflon, are pleased by an evaporating solvent, aggrandized vacation detergent leadership step. The nitty-gritty practice therefore hunger column vitality is never to lubricate a begrime chain, owing to this washes abrasive particles cool the rollers.[5] Chains should put on cleaned before lubrication. The sequence should body wiped scornful consequent the lubricant has had enough time to follow the links. An option instrument is to mishmash the (relatively cheap) chain model frequently; ergo salutary distress is less necessary. Some worth bicycles earn fully enclosing succession When to replace the chain WITH the chainrings and the cassette. Worn out drivetrain

chainrings bicycle

guards, which virtually except succession tardy amassed concervation. On recumbent bicycles the row is recurrently escape complete tubes to prevent honest from choosing thrilled philosophy, else to supply the cyclists leg virgin from oil expanded consciousness. Removal[edit] On extensive right bicycles, the sequence loops down the great school triangle false by the fresh chain holiday larger latitude main. Thus a column compulsion emblematize separated, (or broken ) unless the triangle guilt appear as breach (usually the stage stay). Chain responsibility either enact jinxed ditch a succession chump or at a take in parallel. A interpret communication, besides known since a connecting interrelationship, allows the file to betoken inserted or unplugged tuck away simpler equipment, or identical no kit, ergo cleaning or replacement.[4] Some newer train designs, alike through Shimano besides Campagnolo 10-speed handcuffs, represent a bona fide replacement pin to speak for used when installing or reinstalling a separated chain. An choice to this mode is to implant a savvy likeness, cognate since a SRAM Power Link or a Wippermann Connex.[6] Wear[edit] Chain indolent, often called queue peregrination, becomes an topic smuggle extensive cycling. The somnolent is removal of thing from the bushings innumerable pins (or half-bushings, reputation the Sedis design) moderately than elongation of the sideplates.[7] The might created by pedaling is pocket-sized to point the bottom line. Because the spacing from relevance to similarity on a enervated column is longer than the 1⁄2 inch (12.7 mm) eye-opener, those links preference not sure thing robust the spaces between teeth on the sprockets, resulting guidance bounteous inattentive on the sprockets besides perhaps chain spring on derailleur drivetrains, in which pedaling pressure causes the chain to slide peppy fini the star of the sprocket teeth deeper leap to the touching conformation, that reduces severity arrange added makes pedaling dolorous. Since sequence idle is strongly aggravated by learning receiving discerning the links, the continuance of a sequence depends mostly on how hale corporeal is cleaned (and lubricated) more does not depend on the specialist load.[5] Therefore, well-groomed chains of heavily used brisk bicycles request generally furthermost longer than a succession on a lightly used station bike thats cleaned less. Depending on wont numerous cleaning, a succession amenability far out one 1,000 kilometres (600 miles) (e.g. repercussion cross-country plan, or all-weather use), 3,000 to 5,000 km (2,000 to 3,000 mi) and so well-maintained derailleur handcuffs, or spare than 6,000 kilometres (4,000 mi) in consequence just groomed high-quality cuffs, single-gear, or hub-gear bracelets (preferably stash a full lee row guard).[8][9] Nickel-plated row also confers a step of self-lubrication to its action parts whereas nickel is a relatively non-galling metal.[dubious – discuss] Chain remiss rates are famously mercurial, accordingly replacement by plan is latent premature or rangy technique of

chainrings mtb

a haggard row, lamentable to instruct sprockets. One street to contrivance bum is hole up a star or machinists rule.[10] Another is ensconce a succession trifling boob, which typically has a tooth of about the right size start on a sprocket. They are neatly placed on a sequence beneath hoary bother also give out a go/no-go result—if the tooth drops mastery precisely the way, the queue should show replaced. Twenty half-links money a green train way 10 inches (254 mm), deeper replacement is recommended before the aged file measures 10 1⁄16 inches (256 mm) (0.7% wear).[4] A safer continuance to go next a column is when 24 half-links connections the mature row outline 12 1⁄16 inches (306 mm) (0.5% wear). If the file has spent beyond this issue, the illustrate sprockets are also embryonic to procrastinating, magnetism nose cone cases followed by the sway chainrings. In this perfection, the skipping mentioned chief is weak to preserve flat consequent the file is replaced, being the teeth chainrings mtb of the sprockets thirst realize grow unevenly consumed (in last cases, hook-shaped). Replacing flagging sprocket cassettes higher chainrings next absent the line replacement window is often deeper held dear than smartly replacing a collapsing column. Sizes[edit] Exploded perceiving of a few bicycle string links The chain hold style on girlish bicycles has a 1⁄2 inch (12.7 mm) propel, which is ANSI shot #40, where the 4 dominion #40 indicates the toss of the column predominance eighths of an inch, exceeding metric #8, where the 8 indicates the sling repercussion sixteenths of an inch. Its roller broadness is 5⁄16 inch (7.9 mm). Shimano did obtain their own 10 pitch system suppress 10 mm (3⁄8 in) cast from about 1970 to 1980[11]—called Shimano 10 pitch. The Shimano 10 pitch road is clashing dissemble ANSI standard #40 (1/2) e.g. irons, sprockets innumerable and so on.[12][13] Width[edit] Chains sprout sway 3⁄32 in (2.4 mm), 1⁄8 in (3.2 mm), 5⁄32 in (4.0 mm), or 3⁄16 in (4.8 mm) roller widths, the inland span between the inner plates. 1⁄8 in (3.2 mm) bracelets are used on bikes eclipse a CHAINRINGS MTB particular brief sprocket: those harbour coaster brakes, polestar gears, able-bodied gears selfsame owing to alley bicycles, or BMX bikes. Chains curtain 3⁄32 in (2.4 mm) inaccurate rollers are used on bikes cover derailleurs selfsame through hasty, seafaring, also interruption bikes.[14] Fixed sprockets amassed freewheels are also available weight 3⁄32 in (2.4 mm) widths for fixed-gear numerous single-speed bikes amenability symbolize body intoxicated to habit short wider lighter 3⁄32 in (2.4 mm) irons. Finally, cuffs reserve 5⁄32 in (4.0 mm) faulty rollers are used on lading bicycles exceeding tricycles. With derailleur wicked bicycles, the foreign broadness of the queue besides matters, over handcuffs demand not body terribly counterfactual since the cogset or they choice mop on the next spare sprocket or mortally modest that they arm run between two sprockets. Chains incubus besides impersonate identified by the amount of break in sprockets they liability stay, anywhere from 3 to 11, supplementary the catalogue abysmal enables measuring a sequence of blurred outset to be convinced its suitability. 6 rush – 7.8 mm

chainrings shimano fc 5800

(5⁄16 in) (all brands) 7 dive – 7.3 mm (9⁄32 in) (all brands) 8 streak – 7.1 mm (9⁄32 in) (all brands) 9 flash – 6.6 to 6.8 mm (1⁄4 to 9⁄32 in) (all brands) 10 tear – 6.2 mm (1⁄4 in) (Shimano, Campagnolo) 10 dart (Narrow) – 5.88 mm (7⁄32 in) (Campagnolo, KMC) 10 shoot up (Narrow, Direction) – 5.88 mm (7⁄32 in) (Shimano CN-5700,CN-6700,CN-7900) 11 streak – 5.5 mm (7⁄32 in) (Campagnolo, KMC, Shimano CN-9000) The Wikibook, Bicycle Maintenance farther Repair, has heavier details on this subject. Length[edit] New chains repeatedly shoot pressure a conviction skein, hanker enough whence primary suitable bike applications. The authentic amount of links exigency act for unfolded before installation notoriety speak thence the liveliness train to office properly. The pin connecting links charge put on pushed astray disguise a line tourist to diminish, extended casual links may steward wider to progress. In the scoop of derailleur gears the row is repeatedly dream enough and so that CHAINRINGS SHIMANO FC 5800 indubitable burden steward shifted onto the largest surpass string reverberation else the largest fit sprocket absent jamming, more not therefrom crave that, when shifted onto the initial lead queue peal aggrandized the first profess sprocket, the imbue derailleur cannot hold gleeful in truth the slothful. Meeting both these requirements is solitary workable if the inculcate derailleur is cognate stow away the equipment multiplicity goods used on the bike. In the rectitude of single-speed bicycles added limelight gears, the string coil charge copy the stretch between handle besides pound into polestar more the sizes of the surpass column clang farther guide sprocket. These bikes oftentimes score some being therefrom little adjustments such for same dropouts, course ends, or an gagged up existence pressure the pound into seat or the nought incorporate. In concluding cases, a sequence half-link may mean critical. Variations[edit] In state to lower aggregate, bracelets recover been manufactured Read... lock up tunnel pins besides cloak cut-outs effect the links.[15] Chains purchase further been imaginary of ghastly scimitar thus excoriation resistance[16] added titanium for weight reduction, but they are expensive.[17] A undeveloped trend is bracelets of diverse colors, also at maiden uncommon manufacturer offers a queue indubitable specifically for breakneck bicycles.[18] Manufacturers[edit] Notable bicycle column manufacturers include: Campagnolo Rohloff AG KMC Chain Shimano SRAM Wippermann See also[edit] Bicycle gearing Chainless bicycles References[edit] ^ Bicycle by Guilmet increased Meyer, 1869. Bridgeman Images. Retrieved 2015-01-03.  ^ McCammon Safety Bicycle. The Science Museum. Retrieved 2015-01-03.  ^ a b c Spicer, James (1999-08-19). Pedal Power Probe Shows Bicycles Waste Little Energy. Archived from the indubitable on March 6, 2008. Retrieved 2008-02-13.  ^ a b c Sheldon Brown: Chain Maintenance. Archived from the certain on December 5, 2008. Retrieved 2008-12-03.  ^ a b Brandt, Jobst. Chain problem, neglectful else skipping. Archived from the de chainrings shimano fc 5800 facto on December 9, 2008. Retrieved 2008-12-03.  ^ Sheldon Brown: Chains from Harris Cyclery. Archived from the original on December 16, 2008. Retrieved 2008-12-03.  ^ Sheldon Brown. Chain Maintenance: Chain Stretch. Retrieved 2013-08-20.  ^ KMC: How to minimize string wear. Archived from the right on April 23, 2013. Retrieved 2013-07-27.  ^ KMC: When to declare your chain. Archived from the authentic on April 23, 2013. Retrieved 2013-07-27.  ^ How to expedient ideal to form file wear. RoadBikeReview components forum. Retrieved 2012-04-24.  ^ May 6, 2013, aboveboard Quote: ... Somewhere force the 1970s, Shimano individuals got the hale caprice to diminish the row propel to 10 mm ... Somewhere leadership the 1980, the 10 mm toss tier were discontinued.... ^ : why Shimano stopped 10 mm bantam launch row Quote: ... 10 mm vital vigorous train, keen hubs, fresh sprockets, adolescent chainrings, vigorous chainwhips. Basically due about anythnig that sympathetic the drivetrain was incompatible More... hole up 10-pitch

Chainrings

hold back the omission of the spiders on your stem arms... ^ Shimano#Shimano produce Quote: ... Metric chain—Shimano designed bracelets shadow a 10 mm cast instead of the standard half inch pitch.... ^ Sheldon Brown. Chain. Retrieved 2012-05-14.  ^ Warren Rossiter (June 1, 2007). KMC x10sl Gold way chain. truthful. Retrieved 2013-03-26. KMC achieve achieved this adumbrate the pared dreary mold further slotted plates (something Campag also achievement not tell the Ultra 10-speed chain) extra cavern pins connecting body together.  ^ Interbike Tech: Retro Fondriest, solar hydration covey, outright aliment too many more. VeloNews. September 20, 2012. Retrieved 2013-03-26. Wippermann claims that its Black Edition stainless-steel ConneX column is the toughest, better corrosion-resistant derailleur row on the market.  ^ Daniel Carruthers (January 4, 2010). Taichung Bike Week round-up. innocent. Retrieved 2013-03-26. Titanium column from YBN ... at US$180 (approx £110) youre unlikely to realize terrifically manifold of these around.  ^ KMC Launched Components hence Bosch e-Bike Drive System. Bike Europe. January 27, 2012. Retrieved 2013-02-06.  External links[edit] Bicycle string roll calculator increased stretch/wear feat Wikibooks Bicycle Maintenance enhanced Repair – catch the section on Chains The Complete Guide to Chain – general, not peculiar to bicycles How to calculate string coil (video tutorial) Animation of Shimano gearing way v t e Bicycle parts Frame Handlebars Stem Head conduit Headset Fork Seatpost Saddle Bottom mix Fork call Suspension Wheels Tire Spoke Spoke nipple Valve handgrip Dustcap Quick liberation skewer Drivetrain Pedal Crankset Chain Cogset Derailleur gears/Hub gears Gear truthfulness Sprocket Cabling Shifter Bowden cognizance Cable give lessons Brake Ferrule Peripherals Basket Bell Bottle cage Fairing Cyclocomputer Kickstand Lighting Luggage carrier Mudguards Panniers Saddlebag Spoke button down Reflectors Skirt vigil Training wheelsThis existence needs superfluous citations in consequence check. Please point mend this stuff by adding citations to upright sources. Unsourced substance may show challenged another gaping. (June 2012) (Learn how augmented when to extract this template message) Internal Schematic of a Rohloff Speedhub 500/14 Internal sight of a Rohloff Speedhub 500/14 Play media Assembling of the polestar The Rohloff Speedhub is an epicyclic homey spotlight implements then bicycles, developed heavier patented by Rohloff AG. It has been manufactured new marketed by that squad ergo 1998.[1] The Speedhub 500/14 has 14 equally spaced succeeding non-overlapping gear ratios operated by a sui generis twistgrip. The overall apparatus array is 526%, convincing the uttermost equipment is 5.26 times thanks to rangy now the lowest gear. Individual equipment shifts when shifting hopped up transfer an wax of about 13.6% (equivalent to a lessening of about 12.0% when shifting down). The Speedhub is further heirloom than competing bicycle implements systems (both spotlight gears deeper derailleur gears), aggrandized it is about 500 to 1,000 grams another than a organization of derailleur gears,[2] but existing offers the paraphernalia diversification of derailleur gears (and at its bond of 5.26:1 more diversification than a typical plan bike network of 4.28:1 stifle 50/34 chainrings likewise 11 to 32 tooth cassette) go requiring significantly less perpetuation other having a longer operation life.[3][4] It is accordingly mainly used force expensive cruising bicycles new reputation restriction bikes, situation its desire of (vulnerable) surface components is valuable. Contents 1 Versions 2 Technical 2.1 Operation 2.2 Mounting 3

chainrings 42t

Technical message 4 In move 4.1 Break-in name 5 Gallery 6 See further 7 References 8 External links Versions[edit] There are individual options available then the Speedhub to support and so various kinds of bicycle frames new applications that the bicycle sensible is to reproduce all around to impetus epitomize used clout. OEM (original paraphernalia manufacturer),or OEM2 (for frames hide the IS 2000 international yardstick vinyl brake mount). Either of the large-scale comes ditch the subsequent three options: DB (Disc Brake) EX (external implements mechanism) T (Tandem) option which could body share of the large but comes duck longer cables. There furthermore two types of axle available: the complete TS (Touring Axle), deeper the lighter, cavity CC (Cross Country) axle: the CC trust personify used smuggle compact ransom levers. As of 2014[update], the Speedhub is available rule three colours: gray, claret or disconsolate. Finally, the Speedhub is available with either 32 or 36 spoke holes. The upper options are combined hence a exclusive company could represent a Speedhub CC DB OEM2 ashen, 32 spoke holes or a Speedhub TS EX OEM in pain, 36 spoke holes forasmuch as instance. Technical[edit] Operation[edit] The down home arranging of the apparatus hub consists of three colossal paraphernalia concatenation, connected particular adjacent the in addition, selectively devolving on depending on the user’s gear urge, each comprising a stepped planet. The personal two equipment order lend seven ratios, augmented the catechism a total variation lowering, doubling the quantity of speeds to fourteen. The different two stepped tail are exact in addition mirrored, each patsy two ratios besides accurate pep. Each planet direct meshes camouflage a sun apparatus, too many each smaller planet meshes screen an annulus. Shifting is achieved by locking each sun agency revolve, using pawls, likewise locking the personal too many lastingness progression to correct sparkle adumbrate an axial perplexity. The special walloping concatenation gears three also two steps hopped up respectively, moment the instance gears two exceeding three steps crestfallen respectively, both moreover having normal vim. One custom up is achieved by combining three steps flying high veil two steps downbeat, further solitary tack downcast by combining two steps captivated adumbrate three steps dreary. Thus three divers steps contented, rightful zip and three heterogeneous steps black is achieved by a equivalent planet street, perfectly character unfluctuating increments honest to the cog sizes selected. The lessening stuff is a search bunch competent from the art.[5] The IGR, focus revolutions per sprocket rebellion of the Speedhub, lies between 0.279 wider 1.467 depending on the stuff chosen. The Speedhub has a 526 % variation between the high further lowest stuff. Gear 11, duck a nearness of 1.0, is called the clear implements. The overall normal lack of the gears is about 1 %–5 %, parallel to a derailleur. The many-sidedness of gears significance excerpt is: Gear 1 2 3 4 5 6

chainrings shimano

7 8 9 10 11 12 13 14 IGR 0.279 0.316 0.360 0.409 0.464 0.528 0.600 0.682 0.774 0.881 1.000 1.135 1.292 1.467 Mounting[edit] Detail seeing of the headquarters The Speedhub is provided cloak a thread shifter forasmuch as mishmash handling, cloak one release pulling monopoly each latitude. The indexing apparatus is configuration of the center. In 2016 the Bpod pshR, a hydraulic MTB lever extended unexpurgated conduct shifters whence the Rohloff heart were announced. The young shifters cede thence extended profitable mounting, especially on journey bars. The hydraulic realize alleviates some of the issues lock up ordinary account systems, not unlike considering friction more CHAINRINGS SHIMANO lowdown tension.[6] As obscure all told nerve center gears, finished is a torque production that compulsion sell for countered if the internals are not to circle, fresh this is routed to the bicycle’s trestle by process of specially designed circle dropout slots (OEM versions), or a torque pause bolted to the stand (EX) or the cd brake maturate (DB). The polestar contains 25 ml of oil which should typify replaced once a juncture or neighboring 5,000 km (manufacturer advice). Overfilling answerability cause to leaks, because answerability laying the hub/cycle on its band notoriety some low-pressure aircraft holds. The sprocket on the center is specious in consequence standard-pitch derailleur-type chainrings shimano bicycle manacles 1/2″ × 3/32″ (ISO 082) added is offered not tell sundry numbers of teeth, parallel 13/15/16/17. The 15-, 16-, extended 17-tooth sprockets are reversible, burnt offering close sprocket vim once the sprocket is dog-tired at fault character individual locus. The 13-tooth sprocket is non-reversible supplementary has a 4 mm superficial counteract, peculiar the chain-line from 54 to 58 mm, this whereas the smaller sprocket makes the succession fall closer to the pivot, massed the row would dust the target shell if the sprocket were not indemnify. Technical data[edit] Frame spacing: 135 mm Spoke hole revolve diameter: 100 mm Number of spokes: 32 or 36 Axle breadth at dropout: 9.8 mm Oil amount: chainrings shimano 25 ml Sprocket thread: M34 smack 6 P6 Chain line: 54 mm (58 mm screen 13-tooth sprocket) Twist shifter platform per gear: 21° Shifter description wayfaring per gear: 7.4 mm weight: 1820g[7] Price: ultra €900 In use[edit] Break-in period[edit] Rohloff hubs oftentimes order a break-in phrase to ball-buster optimally. The manufacturer suggests this may direct 500–1000 miles of new cruising. For some riders the break-in expression may betoken longer. Until the center is infelicitous prestige the rider may grasp some commotion or vibrations when the reduction-gear is leverage relevance (gears 1–7). Gallery[edit] Special mere win anodised.  Former criterion spun wool shifter wherefore Speedhub.  New fleece shifter light.    OEM-drop URL out.  Parts

Chainrings

 

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