Speedline External Sealed Bearing Bottom Bracket (19mm, 24mm & 30mm)

Speedline Outboard Euro BB features a BMX-specific bearing that uses high-grade precision ground steel bearings, low friction seals & lightweight lubricant to produce a bottom bracket w/ 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 w/ the Speedline Elite 2 Pc Aluminum, Shimano DXR, Rhythm, Bombshell, & others that use a 24mm spindle

30mm - compatible w/ our Speedline Elite Carbon 2pc, Box P30, & others that use a 30mm spindle 

Weight is 250 grams ( 3.5oz )

Available in Black, White & Jet Fuel