Cane Creek 40-Series Steel 52/30 Conversion Crown Race 1.5" to 1-1/8" MFPN=W4EC9BBBAXE7 model Box Two BMX speed

model Box Two BMX speed 1sp size 1/8" links 112 color nickel

Yes Handlebar Material Carbon Routing Internal Stem Clamp Diameter 31

50 Tire Type Tubeless Ready Clincher PSI 40 Flat Protection Tread and Sidewall

52 deg between engagement points

}Bosch Nyon Head Unit Display BUI350

Cane Creek 40-Series Steel 52/30 Conversion Crown Race 1.5" to 1-1/8" MFPN=W4EC9BBBAXE7 model Box Two BMX speedCane Creek 40 Series Steel 52 30 Conversion Crown Race 1. 5" to 1 1 8". Crown races for Cane Creek headsets fit a variety of lowers and crown race seat diameters. Compatible with 10 40 and 110 Series headsets and backwards compatible with S and XX Series Integral mold seals keep out the elements