SRAM X1 E-MTB Crank Arm Set 165mm Aluminum for Bosch Brose Yamaha ISIS

Detailed Specifications:

• Brand: SRAM

• Model: X1 E-MTB Crank Arm Set

• Model ID: FC-X1-PA-A1

• Application: E-MTB (Bosch, Brose, Yamaha mid-motor systems)

• Crank Arm Length: 165mm

• Material: Aluminum

• Bottom Bracket Spindle Interface: ISIS

• Chainring: Not included (crank arms only)

• Chainline: n/a

• Bolt Circle Diameter (BCD): n/a

• Speeds: n/a

• Color: Black

• Weight: 494g

Additional Features:

• Purpose-built for the high torque and demands of E-MTB riding.

• Shorter 165mm crank arms provide improved ground clearance and control on technical terrain.

• Proven SRAM design adapted for mid-motor e-bike systems.

• Lightweight yet durable aluminum construction ensures long-term performance.

• Compatible with Bosch, Brose, and Yamaha ISIS-drive bottom bracket interfaces.

Important Usage Notes:

• Designed for E-MTBs with ISIS spindle interface only — not compatible with other bottom bracket standards.

• Chainring is not included; verify compatibility with your drivetrain before installation.

• Professional installation recommended for proper fit and torque.

Riding Impressions:
The SRAM X1 E-MTB crank arms deliver a perfect balance of stiffness, durability, and weight savings. Their shorter 165mm length helps reduce pedal strikes while maintaining excellent power transfer, making them a top choice for riders pushing their e-bikes on aggressive trails and technical terrain.

Disclosure:
This listing includes crank arms only. Chainring, bottom bracket, and additional accessories are not included. This is a genuine SRAM product, covered by the manufacturer’s warranty for the original owner. Please retain your purchase invoice for warranty claims.