Theory x Bombsquad BMX Railed Seat - Black / Purple 12t The rear cassette hub has

The rear cassette hub has 150 engagement points for tight starts and includes a 17t Shimano-type cog

Color: White over Black

Micro-knurled surface with molded traction pins

This means that you must use some common sense when using this part

Tube has threading to fit common grease guns

Theory x Bombsquad BMX Railed Seat - Black / Purple 12t The rear cassette hub hasChannel your inner BMX superstar with this collaboration between Theory and the Bomb Squad crew. Featuring a reflective Theory logo and incuding a stylish Theory x Bomb Squad wristband, this railed #bikelife seat will have you shredding the streets in style. (And you'll be the envy of all your riding buddies, of course!). Color: Black & Purple