StW-R Road Crankset

Precision for Speed & Efficiency

Engineered for road racers, climbers, and endurance riders chasing every watt, the StW-R Road Crankset pairs featherweight construction with race-ready stiffness. CNC-machined from aerospace-grade Ti-6Al-4V, it delivers direct power transfer, long-term durability, and compatibility with modern drivetrains — all while weighing in among the lightest premium cranksets available. 

Ideal For:

• High-performance road bikes (disc & rim)

• 1× and 2× drivetrains

• Riders who demand maximum efficiency with minimal weight

Key Specifications

• Material: Aerospace Grade Ti-6Al-4V titanium (crankarms + spindle)
• Hardware - 7075-T6 aluminum clamping mechanism
• Weight: ~292 g (arms + spindle + hardware) 
• Arm Length Options: 157.5, 165, 170, 172.5, 175 mm 
• Q-Factor: 144 mm (road-optimized) 
• Spindle: 29 mm DUB (adapter options for 30 mm) 
• Chainline: 
  • Road 1X: 44.7mm with compatible direct mount chainring
  • Road 2X: 43.5mm with compatible road spider
• Chainring Interface: SRAM 8-bolt direct-mount, 1×/2×/Power Meter compatible 
• Finish: Raw CNC-machined (custom finishes available) 
• Warranty: Lifetime Limited Warranty

Benefits

• Ultra-lightweight: optimized for climbing and acceleration.
  

• Efficient power transfer: titanium stiffness tuned for road pedaling dynamics.
  

• Broad drivetrain support: works with power meters and both 1× and 2× setups.