FSA (Full Speed Ahead) Afterburner Crank/Bottom Bracket Sets feature hollow forged crankarms resulting in superior strength and stiffness and a higher strength-to-weight ratio compared to solid arms.
Afterburner 386 Compact
Hollow forged AL6061 arms and spider
Counter sunk MegaExo Spindle
AL-7075 CNC Pro MTB Chainrings
3 bolt, 86mm bolt circle diameter
Hollow forged AL-6061 crankarms with integrated spider
AL-7075 CNC-machined Super outer chainring
AL-7075 CNC-machined Pro inner chainring
Specifications
Bolt Pattern
3-Bolt
Bottom Bracket Included?
Yes
Bottom Bracket Thread Type
BB30
Bottom Bracket Type
BB30
Chain Compatibility
Shimano/SRAM 9
Chain Rings
27-40
Chainring BCD
86mm
Front Derailleur Type
Mountain
Length - Cranks
170mm, 175mm
Pedal Spindle
9/16"
Grey - 170mm UPC
400310036216
Grey - 175mm UPC
400310036209
Tree Fort ID:
333222355505
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