Gen 4 WG38/40/45/50L Diaphragm Assembly

The Diaphragm Assembly from Turbosmart will be made after you did the purchase. So it will take a little longer before it arrives at your address.

Turbosmart Ultra-Gate38 (38mm)
Turbosmart Comp-Gate40 (40mm)
Turbosmart Hyper-Gate45 (45mm)
Turbosmart ProGate50 (50mm)