Profile 19mm Mid Bottom Bracket - Aqua - Made in the USA 1-1/8 - 1-3/8 520mm The wrenches are made from

The wrenches are made from heat-treated industrial tool steel for long life

post-mount caliper and semi-metallic brake pads

as well as chainring lockrings on some e-bike drivetrains

These are bulk packed so they may have some light shelfwear

*Manufacturer's posted specifications are subject to change without notice

Profile 19mm Mid Bottom Bracket - Aqua - Made in the USA 1-1/8 - 1-3/8 520mm The wrenches are made fromThe Profile Racing Mid BB includes 2 sealed cartridge bearings, 2 CNC machined aluminum cone spacers, an aluminum internal tube spacer, and an assortment of spacers to get the perfect fit. Made in the USA. This bottom bracket will fit many popular cranks such as Profile Race, Redline Flight, Redline Devise, FSA Nasty Boy, Fit, DK Social and most any other 19mm crank. Size: 19mm Color: Aqua The tube spacer may vary in color from the picture.