Rohloff Speedhub 4B Rotor 2.3mm thick 203mm Rim Depth (mm)-17.9 2-piece aluminum crank arms with

2-piece aluminum crank arms with Ultra-Torque semi-axles in AISI 630 steel for strength and light weight

The Lumina Boost series headlights are high-performance front bike lights designed for cyclists who demand powerful illumination and versatile functionality

65mm rim profile to balance strength weight and aerodynamics

For best results DARTs should remain well-sealed in packaging to maintain hydration of DART treatment

99mm Drivetrain Spacing Road Interface DUB Primary Color Black Crankset Material Carbon Pedals Thread 9/16 Connectivity ANT+ BT LE Crank Arm Length 165mm BB Inclusion No

Rohloff Speedhub 4B Rotor 2.3mm thick 203mm Rim Depth (mm)-17.9 2-piece aluminum crank arms withSpecific to Rohloff Speedhubs: larger 4 bolt 65mm BCD pattern Rotors work with most 160 203mm brake systems Model Speedhub Size 203mm Mount 4 Bolt Rohloff Thickness 2. 3mm