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e*thirteen Helix Race 8 Bolt Chainring 11 12 Speed 3mm Offset 8 Bolt Direct Mount Size:34T 8 Clamp + 12 1 1 8" FM1749 8 Clamp + 12 1 1 8" Matte Black A3 Easy conversion from 1x to 2x Rings 40 Number of Chainrings Single Drivetrain Speeds 10 Chainring BCD 110 Shimano Asymmetric Chainline Hub Compatibility 135 142 MTB Hubs Color Gray Crank Length (mm) 170 Crank Intended Use Gravel Weight 790 BB Included No Pedal Spindle 9 16" Spindle Interface Type Shimano Hollowtech II Defined Color Gray Length 170Mm Chainring Size 40T Helix Race 8 Bolt Chainrings provide an weight saving upgrade solution for 8 bolt crank users and the perfect match for Helix Race Carbon Cranks M4 narrow wide profile delivers enhanced chain retention and cross compatibility with Shimano SRAM and TRP 11 12s drivetrains incl
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