e*thirteen Helix Core e*spec Crankset - 170mm BOSCH CX Gen4/SX-Brose S Mag-TQ HPR50 26mm Offset BLK MFPN=13079 2 endurance

2 endurance

Fits Brand Gary Fisher Fits Brand Trek

Swix is constantly developing the optimal shaft construction & shape for the athletes to perform

Evolved comfort derived from years of expertise in hand ergonomics

For tightening on right hand threaded bolts and nuts

e*thirteen Helix Core e*spec Crankset - 170mm BOSCH CX Gen4/SX-Brose S Mag-TQ HPR50 26mm Offset BLK MFPN=13079 2 enduranceHelix Core e*spec cranks give your e bike an upgrade with high end integrity and aesthetics at a great value. Engineered for e MTB strength so you dont need to worry about pedal strikes or holding back on your next gravity run. Forged aluminum arms keep you confident on the trail while alloy self extracting crank bolts mean efficient routine service and minimum added weight. Added details like pedal washers molded impact boots and e rider preferred