The IceToolz Cassette Lockring tool is a Cr-V steel constructed tool for Shimano compatible cassettes, centre lock disc brakes and 2006+ Marzocchi top caps.For Shimano CS especially for fixed axle and centre lock disc brakesFor 1/2 socket wrench connection (#53R4) or 21mm wrenchMaterial: Cr-V steel
Best Price: £8.39 from Tweeks Cycles