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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 chainring 110x48 BCD Asymmetric 4-Bolt for Shimano GRX
Aero chainring for Shimano GRX cranks for gravel and road, for a 1x system with a 48-tooth chainring; the Drop-Stop ST profile keeps the chain in place.
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Shimano FC-MT510/511 30 teeth chainring, for 12 speeds
Chainring for 1x12, BCD 96 mm, for FC-MT511/512 crankset with 30 teeth.
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Sram RED E1 Road Direct Mount chainring
Chainring for new RED cranks, 12/13-speed, X-Sync technology for chain stability, 38/40/42/44/46 teeth, direct mount attachment, enhanced aerodynamics, black…
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Garbaruk GXP Road/CX Aero chainring black
Road/gravel Aero chainring for 1x systems, round shape, material 7075-T651 AL, 40, 42, and 44 profiled teeth, for 9, 10, 11sp. chains and 12sp. Sram AXS…
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Sram Apex X-Sync Steel T-Type chainring 40 teeth
Basic steel chainring, 40 profiled T-Type teeth, direct mount on Sram cranks with 8 bolts, for 1x12 speeds, weight 235 g.
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Connex sprocket for Bosch electric drive 20 teeth
Sprocket for BOSCH electric drives, 20 teeth, weight 35 g.
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Sram Red AXS D1 Spider 48/35 Teeth
Direct Mount 48/35-tooth chainring set for Sram Red AXS D1 POLAR GREY cranks.
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Cannondale SpideRing 10 Arm 55 CL chainring
Highly durable chainring adapter for Hollowgram and Cannondale cranks, for Shimano and Hyperglide+, 55 mm chainline.
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Praxis Works Direct Mount MTB chainring, 32 teeth, offset 3 mm Boost for SRAM
Boost Converter with direct mount to crank 3 bolts, 32 teeth, 3 mm offset, compatible with 10/11sp. and 12sp. Eagle.
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Burgtec Thick Thin GXP Boost chainring 3 mm offset 32 teeth Silver
Aluminum chainring compatible with Sram GXP Boost cranks, 3mm offset, 32 teeth.
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Garbaruk GXP Road/CX Round chainring Sram Black
Narrow Wide chainring for CX and gravel, CNC machined, designed for SRAM 3-bolt cranks, weight 97 g.
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Sram Force D1 Chainring 46 Teeth BCD 107 mm DISCOUNT
Large chainring for Sram Force D1 cranks, 46 Teeth, for 12-speed system, for 107 mm mounting pitch.
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Sram X-Sync Road Chainring 107 Black
12-speed aluminium road chainring, 42 teeth, BCD107 pitch, black.
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Sram Red AXS Chainring Kit 50/37 Teeth
Chainring kit for Sram Red AXS Direct Mount systems, 50/37 teeth.
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Absolute Black XT M8000 BCD96 Round chainring
Round chainring for cranks with four-bolt mounting, 96 mm BCD, compatible with 9/10/11/12-speed, weight 44 g.
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Sram Eagle X-sync Direct Mount 3 Offset Boost 12-speed Chainring 30 Teeth
Sram Eagle Direct Mount chainring for 12-speed sets with a 3-mm offset suitable for the Boost.
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FSA Super Road Mega Tooth 110x40 1x11 chainring
Chainring with a special tooth profile, preventing chain drop, for road cranks with 110 mm BCD.
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Absolute Black XT M8000 BCD96 OVAL chainring
Oval chainring for cranks with a four-bolt mounting, 96 mm BCD.
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Absolute Black XTR M9000 BCD96 OVAL chainring
Oval chainring compatible only with Shimano XTR M9000/M9020 cranks.
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Absolute Black chainring for Cannondale green
Green chainring for Cannondale cranks with three-bolt mounting, 104 mm BCD.
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FSA KFX DM MT SH12 chainring 38t
Conversion chainring for FSA KFX MTB cranks with Direct Mount Cannondale/FSA attachment, 38 teeth, and compatibility with a 12-speed chain.
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FSA AGX+ Gossamer Pro spider
FSA Gossamer Pro Modular AGX+ crank spider for gravel, compatible with Gossamer AGX+ 2x chainrings, in black.
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FSA AGX+ Gossamer Pro DM chainring 1x40t
Aluminum Direct Mount chainring for gravel and road cycling, with 40 teeth and a Megatooth profile for stable chain retention.
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FSA Road Gossamer chainring 120x42
FSA chainring adapter for road and gravel bikes for a 1x drivetrain with 42 teeth, made from an aluminum alloy, for BCD 120/90 mm mounting.
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