The Afterburner 386 BB30 feature ultra lightweight AL6061-T6 Hollow forged crank arms mated to an oversized extruded A7050 spindle. It comes complete with chrome steel BB30 bearings and 100-percent CNC AL7075 T6 chainrings.
DESCRIPTION & MATERIALS
• Hollow forged alloy arms
• Low Speed extruded AL7050 BB30 spindle
• AL7075 100% CNC chainrings
• Chromoly chainring bolts
• Available for 10 speed ATB systems
SIZES
• Length - L170mm, L175mm
• BCD - 86mm
• 39/27T- 42/27T (X10), 40/28T-42/30T (M10)
• PC/39/27T, PC/40/28T
FINISH
• Sandblasted black with polished black
anodized
• Laser graphics
CRANK WEIGHT
• 729 g
With BB-OS7000
DESCRIPTION & MATERIALS
• Chrome Steel BB30 cartridge bearings
• Circlips and bearing covers included
BB WEIGHT
• 63 grams
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