Rotor Chainrings Direct Mount Round 1X MTB Variant:Rotor Chainring Round DM MTB 30T Black Radial Bearing Bottom Bracket for

Radial Bearing Bottom Bracket for SRAM DUB (29mm) spindles

The progressive relief channel

PRESS FIT 4624

Reflective accents

This is where the GC1 was developed

Rotor Chainrings Direct Mount Round 1X MTB Variant:Rotor Chainring Round DM MTB 30T Black Radial Bearing Bottom Bracket forWeight: 66g per 30T Sizes: 34, 32, 30 Characteristics: 100% CNC machined, 7075 T6 aluminum alloy Semi Aero design: reinforced rigidity and aerodynamics Wide narrow technology: Specially design for one ring Designed to work with all 9, 10 and 11 speed groupsets Compatible with ROTOR RHAWK & RRAPTOR cranksets Direct Mount configuration: Without spider and chainring bolts