e*thirteen Helix Core e*spec Alloy Cranks D4 This is a variant that

This is a variant that can be opened by one key

Precision carbon fibre layup provides added strength and weight savings

helping to maintain a comfortable microclimate

Small enough to fit in saddle bag

e*thirteen Helix Core e*spec Alloy Cranks D4 This is a variant thatHelix 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