The eagle 90 transmission e-mtb crank is a sleek sturdy answer to a growing demand for robust and aesthetically pleasing components. This unique design is forged from aluminum for robustness and dependability without compromising weight. Select e-mtb motors pair with our gapcap for an aesthetically pleasing integrated look.   - 150mm 155mm 160mm 165mm 170mm e-mtb lengths  - available for sram powertrain or brose system equipped bikes - available for bosch system equipped bikes - available for new bosch cx bdu38 system equipped bikes   - crank arm gapcap removable for compatibility with other isis spindle-based motor systems