The B21 is a standard Moto-Lita 9-bolt boss, available in polished or black finish.
This boss has a PCD of 101.6mm
The B21 is suitable for the following cars:
Triumph 2000 to 1969
Triumph 2.5 to 1969
- Wheel Fitting: Moto-Lita (9 bolt boss)
- Boss Finish: Black or Polished
- Star Rating: 3 star