e*thirteen Helix R 107 BCD 4-Bolt Chainring - 42t 11/12-Speed 107BCD Black MFPN=00.4318.005.012 Safety is the key with

Safety is the key with integrated reflectors and a LED taillight at the back ensuring high visibility of the cyclist during the day and night

Fusion Form base allows model-specific amounts of fiber to be infused into the nylon to create a flex profile that balances comfort and support

Disc IS 6-bolt Rim Internal Width 25mm Skewers Included No Wheel Diameter/ISO 27

Spindle and Bearing Assemblies for repairing or servicing LOOK pedals

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 42t 11/12-Speed 107BCD Black MFPN=00.4318.005.012 Safety is the key withThe 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