Speedline Parts | Outboard Sealed Bearing BB Kit
$ 69.95 - $ 74.95
Speedline Outboard Euro BB features a BMX-specific bearing that uses high-grade precision ground steel bearings, low friction seals, and lightweight lubricant to produce a bottom bracket with a minimal drag coefficient.
The bearings are held in place by forged CNC machined aluminum cups that ride the outside BB shell for greater durability.
Available in 19mm - for Profile Type Cranks
24mm - compatible with the Speedline Elite 2 Pc Aluminum, Shimano DXR, Rhythm, Bombshell, and others that use a 24mm spindle
30mm - compatible with our Speedline Elite Carbon 2pc, BOX P30, and others that use a 30mm spindle
Weight is 250 grams ( 3.5 oz )
Available in Black, White, and Jet Fuel
Race calendar
Never miss a USABMX national
Add the 2026 USABMX national race schedule to your calendar with one click. Built by Supercross BMX so racers, parents, and fans can keep every national weekend in one place.
Dates are based on the official USABMX national schedule and may be updated if changes are announced. This calendar is a fan/racer convenience tool from Supercross BMX and is not an official USABMX calendar.