5Dev R-Spec SRAM DUB/Brose eCranks bring precision-machined performance to the world of eMTB power. Designed for riders who demand efficiency, clearance, and control, these cranks take proven 5Dev engineering and evolve it to meet the rigors of modern e-assist mountain biking.
Built to exceed ISO Race standards, the
R-Spec eCranks deliver a confident feel under load while keeping weight impressively low. The low-profile arm design reduces pedal strikes on rocky, technical climbs—helping riders stay smooth, maintain momentum, and clean more lines on every lap. Whether on a
SRAM/Brose setup or a second-generation
Specialized Turbo Levo SL (2023+), these cranks are made to match serious trail performance with proven durability.
- Compatible with SRAM/Brose motors and Gen2 Specialized Turbo Levo SL (2023+)
- Low-profile design minimizes pedal strikes for better clearance on technical terrain
- Precision-machined construction exceeds ISO Race standards for strength and reliability
- Q-Factor: 182mm (on Shimano EP8)
- Weight: 440g
For eMTB riders chasing more efficiency, confidence, and flow through the rough stuff, the
5Dev R-Spec SRAM DUB/Brose eCranks deliver the kind of performance that keeps the ride going lap after lap.