Race Face SRX ISIS Bottom Bracket

• CNC machined, heat treated, hollow chromoly M15 spindle.
• Shot peened finish for fatigue strength.
• Forged & CNC'd aluminum cups & reinforcing sleeve.
• Single row, full-ball, sealed cartridge bearings.
• Low friction labyrinth spindle seal keeps out contaminants & increases bearing life.
• Newly improved extreme conditions bearing grease.
• 64 ball bearings in each bottom bracket.
• Fixed cup spacer (2.5mm) allows BB to be used with either 68 or 73mm shells.
• Fixed cup on drive side.
• Proprietary non-side loading design.

Specifications:

• Colour: SILVER
• Built For: XC, Enduro, Trail, DH, Fat Bike, Dirt Jump / Slopstyle
• Compatibility: BSA
• Shell: 68 & 73mm
• Weight: 230g, 245g
• Size: 108, 113