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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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Wolf Tooth 110 BCD 4-Bolt chainring for Shimano GRX
Chainring converter for Shimano GRX cranks, 38 to 46 teeth, aluminum material, weight 72 to 102 g.
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Absolute Black Oval Sram Apex 1X chainring
Oval chainring with profiled teeth, BCD 110 for Sram Apex1 cranks, 38, 40, or 42 teeth.
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Sram X-Sync 42T 11-speed Apex1 Asymmetric Chainring 110BCD
X-Sync Asymmetric 11-speed chainring from the Apex1 series, for 110BCD, BB30 or GXP pitch.
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FSA Comet Modular chainring
Steel chainring for 1x11 system, Direct Mount attachment for FSA Modular and Cannondale Hollowgram cranks, MegaTooth teeth, weight 200 g.
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Sram Eagle X-sync CF Direct Mount 12-speed Boost Chainring 3 mm Offset 30 Teeth
Round Direct Mount chainring, for 12-speed Sram systems, 30 teeth, Cold Forged Aluminium.
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FSA Road Pro chainring 36 teeth
FSA road chainring, material aluminum alloy AL7075/T6, stainless steel teeth, 36 teeth, BCD 110 mm, weight 55 g.
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Race Face Single Direct Mount N/W chainring black 30 tooth
Aluminum chainring with Narrow Wide tooth profile, for 9-12 speed systems, suitable for XC/Trail/AM/DH.
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Sram Eagle X-Sync2 12-speed Chainring 104BCD 36 Teeth
Sram original X-Sync 2 chainring for Eagle 12-speed cranksets with 104 BCD pitch.
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Sram RED E1 Aero Direct Mount 48T chainring
Aero chainring for new RED cranks, 12/13-speed, X-Sync technology for chain stability, 48 teeth, direct mount attachment, enhanced aerodynamics, black/silver.
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Sram RED E1 Road chainring kit
Set of two chainrings, one-piece construction, X-Range smooth shifting, various tooth counts always with a 13-tooth difference, direct mount on Sram Red E1…
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Sram XX Eagle T-Type chainring for drive unit TQ HPR 50
Converter with T-Type profiled teeth, direct mount fitting for TQ HPR 50 drives, 32 or 34 teeth, weight 223 g, chainline 55 mm.
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Sram XX Eagle Transmission T-Type Chainring for Bosch Gen4
T-Type chainring, Direct Mount for Bosch 4th generation drivetrains, for T-Type chains, 32, 34 and 36 teeth.
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FSA Grid/V-Drive chainring Shimano 12sp.
Stand-alone chainring with direct mount, MegaTooth profiled teeth, compatible with Shimano 12-speed chains.
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Sram X-Sync Eagle Boost Direct Mount Chainring
Aluminium chainring for 12-speed MTB cranks, 38 teeth, Direct Mount, a 3-mm offset.
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Funn Solo DX NW chainring for Sram DM 6 mm offset
Single chainring with NW tooth profile, Sram DM mount, 6 mm offset, black anodized, material AL 7075 CNC, weight from 60 g, for 1x10/11sp.
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MAX1 Narrow Wide chainring BCD104, 30T black
MAX1 single chainring for cranks with a 104 mm BCD, suitable for 10-speed and 11-speed shifting.
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MAX1 Narrow Wide chainring Sram, 30T black
MAX1 Narrow Wide chainring designed for mounting on Sram cranks, suitable for 10-12 speed drivetrains.
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Absolute Black Oval 104BCD Shimano HG+ 12sp. oval chainring
Oval chainring for mounting on cranks with 4 bolts BCD 104 mm, specifically for 12-speed Shimano chains.
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FSA Omega ABS BCD 120 mm 50 teeth chainring
Road chainring for FSA cranks with ABS 120BCD mounting, 50 teeth
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Sram Road X-Sync 12-speed Chainring 38 Teeth BCD 107 mm
X-SYNC road chainring for 12-speed eTap AXS shifting, 38 teeth, 107BCD, Blast Black.
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Race Face Narrow Wide chainring 30 teeth black
Race Face chainring with profiled teeth for use as a single chainring. Mounting 104BCD, 30 teeth. Compatible with 9 / 10 / 11-speed.
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Force 11K converter 34 teeth
MTB chainring for Force Eleven 1.7+ cranks, recommended for 11-speed, 104 mm BCD, 34 teeth.
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Race Face Single Direct Mount N/W chainring black 36 teeth
Aluminum chainring with Narrow Wide tooth profiling, for 9-12sp. systems, suitable for XC/Trail/AM/DH.
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Sram Eagle X-Sync2 12-speed Chainring 104BCD 34 Teeth
Sram original chainring X-Sync 2 tooth technology for Eagle 12-speed cranksets with 104 BCD crank pitch.
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