e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black Model Name-PS 1.0 Saddle Stroke (mm) 55 Metric Yes

Stroke (mm) 55 Metric Yes Lockout Switch Climb Switch Weight 385 Eyelet Diameter (mm) Trunnion Eyelet Diameter (mm) 12

The wind-resistant front protects you in challenging weather conditions

Rear Shock: FOX NUDE 5 EVOL Trunnion SCOTT custom w

Primary Color Black Wheel Diameter 20 Frame Size 20

Includes special compound brake pads for optimal braking on both wet and dry surfaces

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black Model Name-PS 1.0 Saddle Stroke (mm) 55 Metric YesThe 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