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. The design allows for smaller chainring combinations and increased spider stiffness.
* Hollow forged AL6061 arms and spider
* Counter sunk MegaExo Spindle
* AL-7075 CNC Pro MTB Chainrings
* AL-7075 Torx T-30 chainring bolts
* MegaExo bottom bracket with oversized external alloy bearing cups
* 3 bolt, 86mm bolt circle diameter
| Item Specifications |
|---|
| Color | Silver |
| Weight | 880g |
| BB Included | Yes |
| BB Thread Type | English |
| Spindle Interface Type | MegaExo ATB |
| Pedal Spindle | 9/16" |
| Arm Length | 170mm or 175mm |
| Chainrings | 27-39, 27-40, or 27-42 |
| Crank-FD Type | Mountain Double |
| BB Shell Width | 68/73mm |
| Crank Intended Use | Mountain |
| Chain Compatibility | 9-Speed or 10-Speed |
| Chainring BCD | 86mm |
| Bolt Pattern | 3 bolts |
Accessories
