StW-M Mountain Bike Crankset

Bombproof for Off-Road

Built for rugged trails and aggressive riding, the StW-M Mountain Bike Crankset delivers impact resistance and reliable stiffness under high loads. Like its siblings, it uses top-tier titanium machining but with geometry essential for modern mountain bike drives and Boost chainlines. 

Ideal For:

• Mountain bikes of all styles (trail, enduro, cross-country)

• 1× drivetrain configurations

• Riders who value durability without the weight penalty

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, 175 mm 
• Q-Factor: 164 mm (Boost MTB standard) 
• Spindle: 29 mm DUB (adapter options for 30 mm) 
• Chainline: MTB 1X: 55mm with compatible 3mm offset chainring
• Chainring Interface: SRAM 8-bolt direct-mount, 1×/2×/Power Meter compatible 
• Finish: Raw CNC-machined (custom finishes available) 
• Warranty: Lifetime Limited Warranty

Benefits

• Trail-ready strength: designed to handle coarse terrain and impacts.
  

• Boost geometry: wider stance improves stability and clearance on MTB frames.
  

• Lifetime durability: corrosion-resistant titanium stands up to years of use.