RaceFace Turbine 11-Speed Chainring: 64mm BCD 26t Black MFPN=00.4018.783.004 Features two machined aluminum cups

Features two machined aluminum cups with replaceable bearings that offer increased durability and bearing life while keeping a simple press together method for installation and maintenance

Safe for all surfaces including gaskets seals or carbon fiber

Lowered risk of tire burping and the upside of run flat make this the leader in performance tire inserts Model Air-Liner Light Gravel Size 700c Tire W 37-40mm Rim W 25-30mm Package Each Weight 40g

Thru-axle version features external tool purchase

For puncture protection it now comes with a SmartGuard layer

RaceFace Turbine 11-Speed Chainring: 64mm BCD 26t Black MFPN=00.4018.783.004 Features two machined aluminum cupsRaceFace Turbine Chainrings are designed for optimal shifting performance and minimal weight in 11 speed off road applications. Asymmetrical tooth profiling and up shift down shift zones create smooth and quiet shifting under load Three times stiffer than Race Face Team chainrings without additional weight gain CNC machined from 7075 aluminum Ring Position Type Inner Tooth Count 26 Drivetrain Speeds 11 Chainring BCD 64 Color Black Defined Color Black