GRS BB86/92 Bottom Bracket..
Lightweight, CNC machined, sealed bearing bottom bracket
Lightweight, CNC machined, sealed bearing BB.
CNC Alloy cups to press into 41mm internal BB shells.
Universal 68-73mm, and Road or MTB (with spacers).
# BB86/92-H fits straight 24mm axle (Shimano type)
# BB86/92-X fits stepped 24/22mm axle (SRAM type)