BMXGuru 36T Aluminum Spider & 4-bolt Chainring Combo - Blue over Gold - USA Made 1-1/4" S5/S6 It is a great tire

It is a great tire for street

The BMXGuru spider is made from 6061 aluminum and works with 4-bolt

This bottom bracket is designed to be used with old school 1 piece cranks that are 24 tpi and frames that have a classic American bottom bracket shell

For older brakes

BMXGuru 36T Aluminum Spider & 4-bolt Chainring Combo - Blue over Gold - USA Made 1-1/4" S5/S6 It is a great tireBMXGuru 36t chainring spider combo. 36t anodized Blue aluminum chainring 23. 8mm bore hole Fits 1 piece cranks or 19mm or 22mm cranks with adapter (not included) Gold Spider, 104mm BCD 4 bolt Chrome plated bolts 3 32" teeth size works with 3 32" and 1 8" chains MADE IN THE USA! For 19mm adapter click HERE!