This product may only be purchased with the approval of a veterinarian and may require verification. We will collect any necessary information at checkout and verify a prescription if required.
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Features:
• For installing and removing all Hollowtech II external bottom bracket cups • Fits external install/removal notches on a 35mm spline • Features centerLock rotor lockrings for thru-axle hubs • The SH-90503 is for adjusting the external, bearing/crank-arm preload lockring