NEW FSA (Full Speed Ahead) PowerBox Alloy Power Meter Crankset FSA 172.5mm, FSA 392 variant-size-40 Shimano's XTR XC hydraulic disc

Shimano's XTR XC hydraulic disc brake system increases brake rigidity for greater bike control

Width: 560

Machined aluminum bearing cups thread in to a standard BSA frames

Recommended for Sturmey Archer hubs

Rear Hub Spacing (mm): 142 mm

NEW FSA (Full Speed Ahead) PowerBox Alloy Power Meter Crankset FSA 172.5mm, FSA 392 variant-size-40 Shimano's XTR XC hydraulic discFSA Powerbox cranksets feature FSA's proven crankset construction, ANT+ transmission, and 386EVO interchangeability so they can fit nearly any frame. ANT+ transmission developed by Power2max Cold forged AL6061 T6 aluminum crank arms AL7075 CNC machined chainrings AL7075 Torx T 30 alloy chainring bolts Battery life is approximately 300 400 hours Easy to replace CR2450 battery Rings: 52 36 Defined Color: Black Spindle Interface Type: 392 EVO Chainring