Turbocharger Race e*spec Upper Slider helix Center knob sipes alternate between

Center knob sipes alternate between parallel and perpendicular to enhance both braking and cornering traction

more consistent performance

in a lightweight package for Trail and All Mountain riders

Bosch® SX

but feels lighter on the wallet

Turbocharger Race e*spec Upper Slider helix Center knob sipes alternate betweenTurbocharger upper sliders fit all e*thirteen e*spec Chainguides, allowing compatibility with Turbocharger Spider Bashguard Chainring assemblies for added chain retention. Turbochargers are not compatible with standard e*spec upper sliders. Turbocharger Upper Slider should ONLY be used in conjunction with the e*thirteen Turbocharger system.