Rotor UBB4630 BB386 ABEC3 for 30mm Variant:Rotor Bottom Bracket UBB 4630 BB386 for 30mm Cranks Steel Black The more forward and aggressive

The more forward and aggressive the rider sits

Enduro Derailleur Pulleys are available in a number of configurations and performance levels

Static load - 520lbf / 2

Length: 275mm

and by Trek and Niner bike as a suspension pivot

Rotor UBB4630 BB386 ABEC3 for 30mm Variant:Rotor Bottom Bracket UBB 4630 BB386 for 30mm Cranks Steel Black The more forward and aggressiveUBB4630 You, or more specifically, your choice of frame, motivated us to address challenges related to bottom bracket installation and durability thank you. We embraced the task to improve upon so called bottom bracket standards to give you the UBB4630. Crafted from 7000 series aluminum alloy, the UBB4630 uses a threaded sleeve to lock both cups in place without having all the locking effort rely on the press fit shell, thus providing a uniform spin