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(mm) 41 Manufacturer Number BB86-30MM Bearing O
5 Wall Dbl Side MSW Color Black Hole Count 36 Valve PV Weight 450g ERD 601 Extras
Tooth Count 42 Ring Position/Type Outer Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 8 Drivetrain Speeds 9 Chainring BCD 104 Color Black Defined Color Black Material Steel keyword search 11
Compatible with Praxis M30 and M35
Color Black/Anthracite Defined Color Black Flat Protection Tread and Sidewall ISO Diameter 622 / Road / 29" ISO Width (mm) 59 Labeled Size 29 x 2
e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black CheckoutTitle=Quality Wheels Bear Pawls / Velocity Aileron Rear Wheel - 700c (mm) 41 Manufacturer Number BB86-30MMThe e*thirteen Helix Race 107 BCD 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 42 tooth rings pair perfectly with e*thirteens cassettes for more overall range and higher top speeds. Made from durable premium 7075 alloy they're CNC sculpted for a high stiffness to weight ratio. Compatible with both SRAM and Shimano 11
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