Interbike 2008 - MTBR

Afterburner BB30

BB30 is lighter, narrower, stiffer and more durable than traditional bottom bracket systems. Oversized alloy spindles and bearings pressed directly into the BB shell offer weight savings up to 12%.

Hollow Forged crankarms result in superior strength and stiffness and a higher strength-to-weight ratio compared to solid arms. We offer a range of Hollow Forged cranksets from road to XC to heavy-duty Gravity products.
  • Hollow-forged AL6061/T6 crankarms
  • AL7075 100% CNC machined chainrings
  • AL7075 Torx T-30 alloy chainring bolts
  • Includes BB30 bottom bracket
  • Oversized cartridge bearings
  • Integrated low-speed extruded AL7075 30mm spindle
  • 9 speed
  • Chainrings: 22/32/44t
  • Lengths: 170, 175mm
  • Q-Factor: 169mm
  • BCD: 104/64mm
  • Chainline: 50mm
  • Gray anodized
  • Weight: 870g with BB
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