Description
ProTaper Twister Throttle Tube Insert – a billet-aluminum throttle tube insert designed to deliver smooth, reliable throttle action for off-road handlebars and handguard setups.
- Precision anodized billet aluminum construction for durability and lightweight performance.
- Sealed radial ball bearing and polymer bushing provide consistent, smooth throttle rotation and reduced wear.
- Knurled grip mounting area ensures a secure bond with rubber grips.
- Designed for use with ProTaper handlebars and Renthal 7/8″ handlebars using the standard bearing insert-works with many 7/8″ motocross/enduro setups.
- Used by professional teams and riders; engineered for racing and aggressive trail use.








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