SRAM Force DUB AXS Quarq Powermeter Upgrade | Left Crankarm 170mm

A sleek blend of subtle style and serious performance, the updated SRAM Force groupset brings refined aesthetics with its understated gloss black and iridescent finish, while packing technology upgrades inspired by the top-tier RED series. Whether you're building a fast road setup or a gravel-ready machine, Force AXS delivers adaptability, precision, and seamless integration across 1x and 2x drivetrains.

At the heart of this setup is the Force carbon crankset, now featuring a fully integrated spindle-based Quarq power meter. Borrowing proven tech from SRAM’s experience with Quarq, it delivers accurate, one-sided power measurement (left leg) with clean visuals and minimal added weight. With up to 400 hours of battery life and IPX7 waterproofing, it’s designed to go the distance, rain or shine.

Key Features

• Application: Road, Gravel, Cyclocross

• Power Measurement: Integrated crankshaft-based, left-leg only

• Accuracy: ±3% (derived from left-leg data)

• Connectivity: Bluetooth® & ANT+ compatible

• Battery: Replaceable lithium AAA (up to 400 hours runtime)

• Water Resistance: IPX7-rated

• Weight: Additional 40 g (approx.) compared to standard crank

Technical Specs

• Crank Arm Material: UD Carbon

• Spindle Material: Aluminum

• Spindle Diameter: 28.99 mm (SRAM DUB standard)

• Available Crank Lengths: 165 / 167.5 / 170 / 172.5 / 175 / 177.5 mm

• Chainline: 45 mm

• Q-Factor: 145 mm

• Compatibility:

  • Right Crank Arm: SRAM DUB Road 1x / 2x

  • Bottom Bracket: SRAM DUB Road (sold separately)

  • Rear Axle Spacing: 135 mm / 142 mm

• Finish: Gloss Black with Iridescent Accents

Included in the Box

• SRAM Force AXS DUB Left Crank Arm

• Integrated Quarq Power Meter in Spindle