BMXGuru 34T Aluminum Spider & 4-bolt Chainring Combo - Black over Blue - USA Made 2.40 we are limited in how

we are limited in how small we can make the diameter of the base of the gear

Material: Chromoly

The recommended tube for this tire is 26 x 1

It will fit many old school Schwinn bikes and some odd BMX bikes

Build: 14g UCP spokes - 3X lacing -12mm brass nipples

BMXGuru 34T Aluminum Spider & 4-bolt Chainring Combo - Black over Blue - USA Made 2.40 we are limited in howBMXGuru 34t chainring spider combo. 34t anodized Black aluminum chainring 23. 8mm bore hole Fits 1 piece cranks or 19mm or 22mm cranks with adapter (not included) Blue 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!