Thread Together BB30 to Shimano Bottom Bracket Vendor_FSA Adapts SRAM/Truvativ GXP cranks to

Adapts SRAM/Truvativ GXP cranks to work with BBRight Press Fit bottom brackets

and two size options to fit a range of kids

Flasher loops on either side

Wheel Size: 27

Thread Together BB30 to Shimano Bottom Bracket Vendor_FSA Adapts SRAM/Truvativ GXP cranks toMachined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear. FEATURES: Replaceable Enduro bearings Made in the USA ABEC 3 sealed bearings Grade 10 chromium steel balls, 52100 High Carbon Chromium Alloy Races SPECS: BB Shell Width (mm): 68 mm , 73 mm BB Frame Interface: BB30 Bottom Bracket Shell I. D.: 42 Weight: 127 g Spindle Interface Type: Shimano Hollowtech II ,