Two black sealed ball bearings labeled "ESM BIKES" are stacked next to a metallic spacer on a white background—key components of the S&M USA Bottom Bracket Set for American BB setups or BMX bottom brackets.

Two gold-colored BMX bottom bracket bearings labeled "S&M Bikes Made in USA" are stacked beside a metallic spacer—a quality S&M USA Bottom Bracket Set built for lasting durability.

The S&M USA Bottom Bracket Set features two red ball bearings engraved with "S&M BIKES MADE IN USA" and a metal spacer, displayed on a white background—an ideal, high-quality American BB kit for your BMX.

Two metal ball bearings are stacked beside a cylindrical spacer—components from the S&M USA Bottom Bracket Set for BMX—displayed on a white background.

Description

An American bottom bracket kit from S&M for the 2.25 inch outside diameter shell, the original BMX size. It suits 1980s and 1990s builds and any re-pop frame that uses an American bottom bracket, and it is made in the USA.

The set includes two 6061 aluminium CNC machined cups engraved with S&M Bikes Made in USA, two sealed R12-2RS bearings for a 19 mm spindle, and one zinc plated centre spacer for a 19 mm spindle measuring 1.93 inches (49 mm) wide to suit a 2.64 inch (67 mm) shell. It comes packaged in a poly bag with a header card.

Features

American bottom bracket size. Built for the 2.25 inch outside diameter American shell, the original BMX size, so it suits old school and re-pop frames.
Sealed bearings included. Two sealed R12-2RS bearings come in the set, so the cranks spin on fresh bearings from the start.
CNC machined 6061 cups. Two 6061 aluminium cups are CNC machined and engraved with S&M Bikes Made in USA.
Suits 19mm spindles. Bearings and the zinc plated centre spacer are sized for a 19 mm spindle, so check your cranks before ordering.
Made in the USA. The kit is made in the USA and comes packaged in a poly bag with a header card.

Specifications

Fits: American bottom bracket shell, 2.25" OD, 2.64" (67 mm) wide
Spindle size: 19 mm
Material: 6061 aluminium CNC machined cups
Bearings: Two sealed R12-2RS
Included: Two cups, two sealed bearings, one zinc plated centre spacer 1.93" (49 mm) wide
Note: Made in the USA. Suits 80s and 90s builds or re-pop frames with American bottom brackets.