Box Two Saddle Alloy Post stem This is possible by using

This is possible by using a spoke that is 14g at the ends but slims down 17g in the middle

helping keep the weight down between 185 and 190 grams (well below that of other square taper bottom brackets on the market)

Featuring chamfered shifting edges

and reliability

adding an extra tooth to each of the three highest gears

Box Two Saddle Alloy Post stem This is possible by usingBox Two Saddles are the first of their kind, featuring a proprietary co molded nylon shell and carbon fiber Seatpost. Super lightweight and designed specifically for BMX racing, they feature the Box logo molded into the top and have reduced profiles to prevent snagging on pants.