e*thirteen Helix e*spec - Narrow Wide Chainring - 104 BCD | 4-Arm - black

A lightweight and affordable E-bike / MTB Narrow-Wide chainring with excellent chain retention and durability. Features of the e*thirteen Helix e*spec - Narrow Wide Chainring - 104 BCD | 4-Arm the Narrow-Wide M4 tooth profile ensures a more stable, secure chain run compatible with Shimano, SRAM and TRP 11/12-speed drivetrains made from forged 7075 aluminum - high strength, very stiff and low wear suitable for 4-arm - 104mm bolt circle / BCD and e*thirteen Turbocharger spider bashguard 0mm offset