30mm Origin8 Revolvr BB386 Euro External (Outboard) Bottom Bracket - Black 152mm Comes with Ghost Pads

Comes with Ghost Pads

and park use -- now made to accept a 6-bolt disc brake on the rear hub

The DTC - Dual Tread Compound - is a combination of two different rubber compounds

Training Wheels: Steel w/ reinforcement bracket and PVC wheels

The tread pattern is K-50

30mm Origin8 Revolvr BB386 Euro External (Outboard) Bottom Bracket - Black 152mm Comes with Ghost PadsThe Origin8 Revolvr BB386 Outboard Bottom Bracket has forged and CNC machined AL6061 thread in cups for a superior fit and noise free operation. It has low friction dual seals to protect the bearings from harmful contaminants, and the sealed premium bearings are both serviceable and replaceable. This bottom bracket is designed for frames with BSA Euro bottom bracket shells with 68mm or 73mm widths. It is compatible with cranks that have 30mm spindles.