Hope Centrelock External Lockring - Purple shimano Using only Yellow Rim Tape

Using only Yellow Rim Tape and Stan’s NoTubes sealant on a conventional rim can result in difficult inflation

Replaceable pins (part #1501)

Ultegra Di2 – Effortlessly accurate shifting from Shimano's penultimate electronic 12-speed drivetrain

Materials: CNC high-grade 7075 series aluminumBolt Pattern: 110mm BCD (5-hole)Crank Interface: SRAM direct mountChainline: Optimized for Shimano and SRAMFinish: Anodized Black

Brakes Shimano 105 7170 hydraulic disc

Hope Centrelock External Lockring - Purple shimano Using only Yellow Rim TapeLockring designed for use with our Centrelock rotor, also compatible with other manufacturers rotors. Both internal and external options available. FeaturesCNC MachinedInternal Lockring for use with axles up to 15 mm; External up to 20 mmType: External or Internal Mfr Claimed Weight 9. 5 g