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Chainring e*spec Steel Direct Mount | 34T | Bosch CX Gen4
| Black (ZCR4USA-100) (CTN10)
e*thirteen e*spec Steel Direct Mount Chainring - 34T Bosch CX Gen4 Black. e*thirteen direct mount e*spec chainrings use their M3 narrow-wide tooth profile which reduces weight without sacrificing chain-retention. Steel direct mount rings provide great performance and long life at a killer price for todays high-performance e-bikes.