Park Tool FR-5.2G Cassette Lockring Tool with 5mm Guide Pin CheckoutTitle=TRP Flat Mount Brake Adapters }SRAM XX1 XG-1199 Cassette -

}SRAM XX1 XG-1199 Cassette - 11 Speed 10-42t Silver For XD Driver Body

Tooth Count 39 Ring Position/Type Outer Drivetrain Speeds 10 Chainring BCD 120 Color Black Defined Color Black Material Aluminum keyword search 11

Knurled tread pattern for low rolling resistance and all-condition grip

While carbon fiber allows for more optimal design and provides a far higher strength to weight ratio compared to steel and aluminum it is also more susceptible to crushing and cracking when improperly set up

Park Tool FR-5.2G Cassette Lockring Tool with 5mm Guide Pin CheckoutTitle=TRP Flat Mount Brake Adapters }SRAM XX1 XG-1199 Cassette -Park Tool FR 5. 2G Cassette Lockring Tool with 5mm Guide Pin. For removing and installing cassette lockrings on Shimano compatible freehub bodies and some Centerlock disc brake systems. Fits 12 spline cassette lockrings from Shimano SRAM SunRace SunTour Chris King and others