Constructed using a specific heat-treatment to ensure hardness for
maximum durability and less wear and precision machined to match exact
sizing requirements. Each size is sold individually as a pack of 5 to
reduce costs when only requiring a particular size or restocking your valve
Most 250cc 4-strokes use 7.48 mm OD shims, most 400cc and up 4-strokes use 9.48 mm OD shims, and KTM models use 10 or 8.90 mm OD shims.
Heat-treated ensuring hardness for maximum durability and less wear
Precision machined to match exact size
Each size sold individually to keep cost down
Works with stock or aftermarket cams
Sold as a pack of 5
7.48mm x 1.20mm - 3.50mm in 0.05mm increments
9.48mm x 1.20mm - 3.50mm in 0.05mm increments
Sizing Charts by Brand (Under construction)
Please note: We're currently developing this feature to provide you with accurate and complete information around sizing.
Listed by brand (in alphabetical order). Here you can find up-to-date sizing charts. If you have further questions, or if we've missed something, reach out and our team can assist.
|6D Helmets||Airoh Helmets||Alpinestars|
|Arai Helmets||Asterisk||Atlas Braces|
|Five||Fly Racing||Fox Racing|
Looking for Something? Shop by brand
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.