If the cylinder is able to move during operation then it can change how far the nozzle extends from the front of the gearbox. This can result in inconsistent BB seating and air seal which can diminish performance.
The shims are available in different sizes to match the most common gearbox pin sizes and are compatible with all PolarStar cylinder conversions kits (F2, F1, JACK, Kythera).
Below are the brands best suited for the following shim sizes based on our database of recorded measurements.
0.399 cm
VFC
Marui
E&L
JG
0.386 cm
Ares
CYMA
G&G
ICS
Dytac
Reviews
Clear filtersThere are no reviews yet.