BMXGuru 33T Aluminum Spider & 4-bolt Chainring Combo - Red over Red - USA Made 50mm It is 20" (406mm) for

It is 20" (406mm) for 20 x 1

3/8 inch axles

5 is ready for your urban adventures

The Super Circuit tire features a fast directional tread pattern with knurling on the side blocks and a smooth center tread

Size: 33tColor: Gold

BMXGuru 33T Aluminum Spider & 4-bolt Chainring Combo - Red over Red - USA Made 50mm It is 20" (406mm) forBMXGuru 33t chainring spider combo. 33t anodized Red aluminum chainring 23. 8mm bore hole Fits 1 piece cranks or 19mm or 22mm cranks with adapter (not included) Red 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!