25.4mm Straight Seatpost - 350mm - Gold 2.125 the Box One Titanium Square

the Box One Titanium Square Taper Bottom Bracket is the best option for young BMX racers and other users of three piece cranks in search of performance gains and weight savings

The tread pattern is K-123

The proprietary forging manufacturing process means increased strength and durability

Nylon Composite

It has 100/135mm spacing and the rear hub works with 8-10 speed Shimano cassettes (not included)

25.4mm Straight Seatpost - 350mm - Gold 2.125 the Box One Titanium SquareThis is a classic pillar style seatpost constructed of mild steel. It has a 7 8" top for standard saddle clamps (not included). Diameter: 25. 4mm (1") Length: 350mm (15 inches) Color: Gold