Promax BMX RMV Rim 451mm 20" x 1-1/8" 28h Color:Blue This stem comes in a

This stem comes in a variety of sizes for use with a 1" and 1 1/8" steerer tubes and comes in lengths ranging from 35mm to 60mm

cartridge bearings

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On longer tracks with high starting hill where top speed is paramount and track conditions are top notch

Promax BMX RMV Rim 451mm 20" x 1-1/8" 28h Color:Blue This stem comes in aSimplistic design focused on reducing weight while building a rim for strength and speed. Rim has thicker inner wall to allow a tighter and stronger built wheel Made of 6061 T6 Aluminum RMV Rims use a sleeved joint SPECIFICATION Brake Track: Non Machined Color: Black Blue Hub Drilling: 28 Rim Width (Internal): 13 mm Rim Width (External): 18. 6 mm ISO Diameter: 451 20 x 1 1 8", 1 3 8" Rim Material: Alloy Manufacturer Spec ERD (mm): 439 mm QBP Measured