BMXGuru 35T Aluminum Spider & 4-bolt Chainring Combo - Silver over Black - USA Made 2.50 It features heat-treated alloy tool

It features heat-treated alloy tool steel construction for a lifetime of use

Replaceable bridge and adjustable bridge positioning ensure compatibility with all current and future chains from single to 13-speed and beyond including SRAM® Flattop chains

The OLD is 110mm rear

Eight-piece flat pack multi-tool with 2/3/4/5/6mm hex wrenches

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

BMXGuru 35T Aluminum Spider & 4-bolt Chainring Combo - Silver over Black - USA Made 2.50 It features heat-treated alloy toolBMXGuru 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!