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laid back and stylish side of bike riding
With e*thirteen's narrow-wide tooth profile
INTEGRATED 4-DIGIT COMBINATION LOCK
Rubber jaw covers with cable cut-outs
User Manual
E*thirteen Helix R Chainring for 107BCD Cranks Crank laid back and stylish sideHelix Race Chainring 107BCD 38T Shimano SRAM 11 12s Chain Compatible Black The Helix R 107BCD Chainring, designed for 4 bolt 107 BCD cranks like SRAM Red or Force including power meter equipped cranks, offers a performance upgrade for Gravel and Road cyclists. The 38, 40, and 42T rings pair perfectly with e*thirteens cassettes for more overall range and higher top speeds. Made from durable 7075 alloy, they're CNC sculpted for a high stiffness to
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