The Park Tool BBT-5/FR-11 Bottom Bracket Tool features an oversized centre hole and thin wall design which allows use without removal of cones and locknuts. Its one-inch base fits end of SR-1, FRW-1 Park tools or simply an adjustable wrench or bench vice, and it’s made from high strength tool steel for durability.

• Oversized centre hole and thin wall design allows use without removal of cones and locknuts
• Investment cast and heat-treated for strength and durability
• One-inch base fits end of SR-1, FRW-1 Park tools or simply an adjustable wrench or bench vice
• High strength tool steel
• Fits 12-tooth internally-splined Record, Chorus, and Athena cartridge bottom brackets, and Campagnolo cassette hub lockrings
• Compatible with 11-speed lockrings
• Made in the USA and covered by Park Tool’s legendary limited lifetime warranty