BMXGuru 35T Aluminum Spider & 4-bolt Chainring Combo - Silver over Black - USA Made 2.50 Length: 3 7/8"Outer Diameter: 1

Length: 3 7/8"Outer Diameter: 1

2x tube clamps

This headset will fit frames with 34mm inner diameter head tubes and forks with a 30mm crown

We do not recommend using 18x1 tubes in them

They are made in the United States

BMXGuru 35T Aluminum Spider & 4-bolt Chainring Combo - Silver over Black - USA Made 2.50 Length: 3 7/8"Outer Diameter: 1BMXGuru 35t chainring spider combo. 35t anodized Silver aluminum chainring 23. 8mm bore hole Fits 1 piece cranks or 19mm or 22mm cranks with adapter (not included) Black 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!