Park Tool FR-5.2GT Cassette Lockring Tool with 12mm Guide Pin Shoe Brand_Sidi Each serving (2 tablets) contains:

Each serving (2 tablets) contains: 100 mg sodium

Versatile Tire Clearance: The frame's compatibility with wider tires allows riders to customize their setup based on personal preferences and terrain conditions

Allows use of short valves with deep section rims

Port for remote sprinter shifter: 1

Park Tool FR-5.2GT Cassette Lockring Tool with 12mm Guide Pin Shoe Brand_Sidi Each serving (2 tablets) contains: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 FR 5. 2GT incorporates a specially sized guide pin that stabilizes the tool when removing cassette lockrings from 12mm thru axle hubs