Wheels Manufacturing BB30 to Shimano Bottom Bracket Angular Contact Bearings BLK Cups Dark Grey }Wheels Manufacturing T47A Bottom Bracket

}Wheels Manufacturing T47A Bottom Bracket - for 29mm Spindle

} Designed to stabilize nipples with rim beds for added strength and durability

5" 130 mm 15 x 110 mm 42 mm Offset Black A3

There's no need for your child to deal with complex gear changes when riding

Easy to keep in your pocket and bring out when needed

Wheels Manufacturing BB30 to Shimano Bottom Bracket Angular Contact Bearings BLK Cups Dark Grey }Wheels Manufacturing T47A Bottom BracketWheels Manufacturing BB30 to Shimano Bottom Bracket with Angular Contact Bearings Black Cups. Machined aluminum shell threads together for precise bearing alignment and frame fit reducing bottom bracket creaking and premature bearing wear. Replaceable Enduro bearings Made in the USA TECH SPECS Bottom Bracket Shell I. D. 42 BB Frame Interface BB30 BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 127 Spindle Interface Type Shimano Hollowtech II