e*thirteen e*spec Race Carbon Crank Arm Set

No, these are specifically designed for Bosch CX Gen4 motor systems. They use an ISIS spindle interface, so you should verify your motor's specific spindle type before purchasing.

These are built to World Cup downhill racing standards. They feature 3k carbon fiber reinforcement on both the front and rear faces, making them exceptionally durable against the kind of heavy impacts common in aggressive riding.

The reduced Q-factor creates a narrower, more compact pedaling stance. This mimics the feel of a standard mountain bike, which many riders find more efficient and comfortable than the wider stance often found on stock e-bike cranks.

No, the integrated 8mm self-extracting bolt simplifies the process significantly. You only need a standard 8mm hex wrench to remove the arms, eliminating the need for a separate crank puller tool.

Yes, at 328 grams, these carbon arms are designed to shed rotating weight. While the exact weight savings depend on your current stock setup, they are engineered specifically for riders looking to optimize performance without compromising structural integrity.