4-Arm Boost Spider for Bosch Gen.4 drive units. With 104mm bolt circle diameter and for 1×12-speed drivetrains.
53mm chainline.
$25.40 Original price was: $25.40.$17.78Current price is: $17.78.

4-Arm Boost Spider for Bosch Gen.4 drive units. With 104mm bolt circle diameter and for 1×12-speed drivetrains.
53mm chainline.
| Product Name | FSA 4-Arm Spider for Bosch Gen.4 Drive Units, 104mm BCD, Boost, 1×12-speed – W0147 |
|---|---|
| Manufacturer | FSA |
| Item Code | FSA656149 |
| activity | Cycling |
| material | Steel |
| usage bikesport | E-Bike |
| shifting system | 12-speed |
| direct mount standard | Bosch |
| direct mount offset | 3mm (Boost) |
| chainring mount | 1-speed |
| crank accessories & spare parts | Spider |
| chain line | 53mm |
| Model year | 2024 |
| Color | Black |
| manufacturer item code | 38000411000010 |
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