Compatible with Gamma Drive the BB-1000 features oversize cartridge bearings with forged and CNC machined external cups. To keep water and dirt away from the bearings, the BB-1000 uses an internal composite center sleeve with double o-ring seals.

DESCRIPTION & MATERIALS
• Oversize Cartridge Bearings
• Die cast alloy and CNC machined external cups
• Composite center sleeve w/ double o-ring seals
SIZES
• English threading - 68 and 73mm width (BC-1.37” x 24T)
FINISH
• BED cups
WEIGHT
• 106 g