BMXGuru 33T Aluminum Spider & 4-bolt Chainring Combo - Black over Gold - USA Made 9.25" The 13-butted tubing design means

The 13-butted tubing design means the bars are thicker in the bends which adds strength where bars need it most

plus 3 sets of pawls with 3 pawls per set for a secure engagement

" The Blue Buzzard"

Improves braking power

which a method of coloring metal

BMXGuru 33T Aluminum Spider & 4-bolt Chainring Combo - Black over Gold - USA Made 9.25" The 13-butted tubing design meansBMXGuru 33t chainring spider combo. 33t anodized Black 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!