Full Speed Ahead Metropolis Patterson MegaExo 19 Bbottom Bracket English 68mm Color-Piano black with matte black lever blade New tread design - Modern

New tread design - Modern and aggressive look optimized for fast rolling and best in class cornering traction

for several cranksets

} Stainless Steel Pear nipple

Recommended for children 4 to 10 years old and up to 85 lbs

especially in softer snow

Full Speed Ahead Metropolis Patterson MegaExo 19 Bbottom Bracket English 68mm Color-Piano black with matte black lever blade New tread design - ModernFSA (Full Speed Ahead) MegaExo 19 bottom brackets are for use with 19mm diameter spindles. Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 73 Weight 108 Spindle Interface Type FSA MegaExo 19 Defined Color Black