Speedline Parts | Outboard Sealed Bearing BB Kit 44bmx and an outer K-Shield™ mesh

and an outer K-Shield™ mesh housing for less weight over a standard steel mesh housing

Extruded 6061 Steerer Tube Insert DROPOUTS Laser Cut 3/8" Slot LEGS Double Butted

Made of 7075-T6 aluminum

Weight: 50mm = 10

Speedline Parts | Outboard Sealed Bearing BB Kit 44bmx and an outer K-Shield™ meshSpeedline 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,