e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black MFPN=950037 derived fom our Scorpion range

derived fom our Scorpion range

2 Proprietary Plastic non drive side hub guards Front Axle 3/8" x 100mm Valve Schrader Color Black Wheel Size 20" Defined Color Black ISO Diameter 406 / 20" BMX keyword search Wonderland Wheels Tire Type Clincher Rim Material Alloy Hub/Brake Compatibility Rim Brake

5 Shoe Size (US) 7 Shoe Size (US) 7

A 120mm carbon XC race bike engineered for efficient climbing

9” display

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 40t 11/12-Speed 107BCD Black MFPN=950037 derived fom our Scorpion rangeThe 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