Rennen Ultralite Hydrogen Bottom Bracket Spindle Length:110mm now you do

now you do

Mobility and protection is a breeze with the Fly Racing Roller Grande Bag-Black's smooth rollerblade style wheels and rugged telescoping handle

Go from local tracks to Nationals to SX

Moderately padded with nylon anti-abrasion outer skin

20 x 1-3/8 and 20 x 1-1/8 Sizes Coming Soon

Rennen Ultralite Hydrogen Bottom Bracket Spindle Length:110mm now you doRennen takes their commitment to BMX racing technology seriously and with the Rennen Ultralite Hydrogen Bottom Bracket at J&R Bicycles this is obvious. Engineered to be the lightest and smallest BB on the market, Rennen went even further and made this BB adjustable. Easily installed with special tools (included), once it is set up you'll be able to easily make precise adjustments to the chainline. Loaded with features, this BB uses Silicon Nitride