e*thirteen Helix Core e*spec Crankarms - Bosch / Brose / TQ | ISIS - 21.5mm Offset - black

The e*thirteen Helix Core crank arms are a high-end aesthetic upgrade for your e-bike at a great price. Designed for e-MTB use, so you do not have to worry about impacts and can complete the next Gravity Run without restraint. The forged aluminum arms provide a secure feel on the trail, while the self-retracting crank bolts allow for quick maintenance with minimal extra weight. They also come with custom crank shoes that ensure more security on any terrain when hit hard or bumped.

Features of the e*thirteen Helix Core

• Range of application: e-bike, MTB
• Material: forged AL-6066-T6 aluminum
• Receptacle: ISIS
• self-removing crank bolts
• Protective caps for crank ends

Compatibility Drives

• Bosch Gen 4
• Brose S Mag
• TQ HPR50

Scope of delivery

Crank arms including screws, crank shoes, stickers and instructions