Campagnolo Ultra-Torque Bottom Bracket Cups BB386 86.5x46 Fits Model-X01 Eagle AXS Ultra compact vertical design is

Ultra compact vertical design is weatherproof lightweight and durable

Optimized for use with GRX ultra wide range drivetrains when using the GRX 810 (RX810) rear derailleur paired to a 1x chainring configuration

and M5x45mm

8mm Primary Color Black Steerer Tube 1-1/8 Face Plate Bolts 4 Stem Length 40mm Stem Material Aluminum

WR3350 are replacement or extra bobbins

Campagnolo Ultra-Torque Bottom Bracket Cups BB386 86.5x46 Fits Model-X01 Eagle AXS Ultra compact vertical design isRequired for use with Campagnolo Ultra Torque Cranksets. Aluminum cups only does not include bearings. Compatible with Campagnolo Ultra Torque cranksets only Ultra Torque bearings come pre installed on Campagnolo cranksets Bottom Bracket Shell I. D. 46 BB Frame Interface 386 EVO BB Shell Width (mm) 86 Weight 29 Spindle Interface Type Campagnolo Ultra Torque Defined Color Black Thread Type BB386