BMXGuru 34T Aluminum Spider & 4-bolt Chainring Combo - Black over Blue - USA Made 2.40 The inside threads are 3/8"

The inside threads are 3/8" x 26tpi and the outside threads are 14mmx1

Backsweep: 11°

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

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

The Tioga Surefoot Slim nylon platform pedal features an ultra durable engineering-grade plastic body and a low-profile platform with wide

BMXGuru 34T Aluminum Spider & 4-bolt Chainring Combo - Black over Blue - USA Made 2.40 The inside threads are 3/8"BMXGuru 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!