e*thirteen Helix R 107 BCD 4-Bolt Chainring - 42t, 11/12-Speed, 107BCD, Black hammerhead which provides a sleek aesthetic

which provides a sleek aesthetic without actually reducing overall padding thickness

and do some basic repairs on their bike

Side gills emit a red light for increased visibility

Item Specifications Hub/Disc Compatibility Center-Lock keyword search GRX Pad Compatibility All Pad Compounds Rotor Size (mm) 140 Rotor Type Two Piece Weight 96

Item Specifications ISO Diameter 622 / Road / 29" ISO Width (mm) 35 ISO Width (mm) 36 ISO Width (mm) 37 ISO Width (mm) 38 ISO Width (mm) 39 ISO Width (mm) 40 ISO Width (mm) 41 ISO Width (mm) 42 ISO Width (mm) 43 ISO Width (mm) 44 ISO Width (mm) 45 ISO Width (mm) 46 ISO Width (mm) 47 Labeled Size 700 x 35 - 47 Shaft Type Threaded Tube Compound Butyl Valve Core Removable Valve Presta Short 32-40mm

e*thirteen Helix R 107 BCD 4-Bolt Chainring - 42t, 11/12-Speed, 107BCD, Black hammerhead which provides a sleek aestheticThe 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*thirteen's 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