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Chainrings
The number of teeth on a chainring, in combination with a choosen rear cog, determine how hard a given gear will be. In order to select the proper chainring, it is necessary to know how the chainring mounts to the crank. Some chainrings attach by 4 or 5 bolts to a cranks spider. The distance between the bolts is referred to as the Bolt Circle Diameter, or BCD. You must select a chainring which matches the BCD of a crank.
Other cranks use direct-mount chainrings. Instead of mounting to a spider, the chainring, as the name implies, mounts directly to the crankarm and is secured by a locknut.
Chainrings for 1x use generally come with specially profiled, taller "narrow-wide" teeth which help improve chain retention. Chainrings for 2x and 3x systems, on the other hand, are generally engineered with ramps and pins to allow the chain to shift more easily from chainring to chainring.
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Garbaruk Oval MTB chainring Cannondale Ai black 32t
Oval Narrow Wide chainring for MTB, CNC machined, designed for Cannondale Ai cranks, Direct Mount, weight 63 g
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Ridea LS elliptical road chainrings 50/34 teeth black/white
Road 2 chainring, 50 and 34 teeth, mountable on 4-arm cranks, compatible with Dura-Ace R9000, Ultegra 6800, and 105 5800 (only 11-speed chains).
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Ridea Lami Flow Powering elliptical chainrings 53/39 teeth black/white
Road 2 chainring, 53 and 39 teeth, 4-arm crank attachment, compatible with Dura-Ace R9100, Ultegra R8000 (9-11 sp. chains).
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Ridea Full Powering elliptical road chainrings 53/39 teeth black/white
Road 2 chainring, 53 and 39 teeth, for 4-arm cranks, compatible with Dura-Ace R9000, Ultegra 6800, and 105 5800 (11-speed chains only).
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Ridea LS elliptical road chainrings 53/39 teeth black/white
Road 2 chainring, 53 and 39 teeth, designed for 4-arm cranksets, compatible with Dura-Ace R9000, Ultegra 6800, and 105 5800 (11-speed chains only).
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Garbaruk Cannondale Hollowgram Road/CX Round chainring black
Narrow Wide chainring for CX and gravel, 40 or 42 teeth, CNC machined, designed for Cannondale Hollowgram cranks, weight 96 g.
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Garbaruk CX Round chainring Sram AXS Green 42t
Narrow Wide chainring for CX and gravel, CNC machined, designed for SRAM 8-bolt cranks, weight 89 g.
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Garbaruk Oval MTB chainring Shimano Silver 34T
Oval Narrow Wide chainring for MTB, CNC machined, designed for Shimano Direct Mount cranks, weight 62 g.
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Garbaruk Oval MTB chainring Sram Boost Black 32t
Oval Narrow Wide chainring for MTB, CNC machined, designed for Sram 3-bolt cranks, weight 57 g.
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Garbaruk CX Round chainring Sram Blue 40t.
Narrow Wide chainring for CX and gravel, CNC machined, designed for SRAM 3-bolt cranks, weight 97 g.
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Garbaruk Round MTB chainring Sram Boost Silver
Narrow Wide chainring for MTB, designed for BOOST SRAM 3-bolt cranks, weight 59 g.
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Garbaruk Round MTB chainring Sram Boost Red
Narrow Wide chainring for MTB, designed for BOOST SRAM cranks 3-bolt, weight 54 g
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Praxis Works 1X DM Road chainring 38 teeth for Sram
Aluminum chainring with 38 teeth, featuring Direct Mount attachment, designed for road, CX, and gravel, compatible with 10/11/12-speed Shimano / KMC / SRAM /…
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Praxis Works 1X DM Road chainring 40 teeth for Sram
Aluminum chainring with 40 teeth, featuring Direct Mount attachment, designed for road, CX, and gravel, compatible with 10/11/12-speed Shimano / KMC / SRAM /…
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Praxis Works Direct Mount MTB Chainring, 34 Teeth, 3 mm Offset for SRAM
Boost Direct Mount Chainring, 34 teeth, 3 mm offset, compatible with 10/11-speed and 12-speed Eagle.
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Giant Chainwheel Spider AP13 A6061 for two chainrings
Giant Chainwheel Spider AP13 A6061 for two chainrings
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E-13 E-Spec Alu Direct Mount chainring for Bosch CX Gen 4
Direct Mount chainring with profiled teeth for 11 and 12-speed chains, for Bosch CX Gen 4 e-drives, available with 34, 36, or 38 teeth.
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E-13 M Direct Mount chainring black
Direct-mount booster converter for E-13 cranks, with 36 or 38 profiled teeth, for 9/10/11-speed systems.
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E-13 M chainring BCD104 red 30 teeth/47.5 mm chainline
Single chainring with profiled teeth, for 9/10/11 speeds, 104 mm BCD, 7050 Alu material, chainline 47.5 mm, red anodized.
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E-13 M chainring BCD104 black 30 teeth/47.5 mm chainline
Single chainring with profiled teeth, for 9/10/11 speeds, 104 mm BCD, material 7050 Alu, chainline 47.5 mm, black anodized.
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E-13 M chainring BCD104 blue 30 teeth/47.5 mm chainline
Single chainring with profiled teeth, for 9/10/11 speeds, 104 mm BCD, 7050 aluminum material, 47.5 mm chainline, blue anodized.
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Praxis Works Direct Mount MTB chainring, 34 teeth, Boost
Praxis Works chainring converter, 34 teeth, Boost offset, direct mount Sram attachment - 3 bolts
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Truvativ MTB Alu chainring 104BCD 32T.
Aluminum chainring with a 104BCD mount, 32 holes for 9 and 10-speed.
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Bosch Haibike Xduro GEN2 chainring 16 t with cover
16-tooth sprocket with protective cover, X-sync, for Bosch Gen2 from 2014, Xduro
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