SILVEROCK SR50 Carbon Wheels 451 20" 1 1/8" 22in 406 Rim V Caliper Brake 50mm Clincher 100mm 130mm for Minivelo or Folding Bike Wheelset

Carbon. 20 Inch Bicycle Wheel Set: 20 inch front wheels, 1 / 8 inch rear wheels, 20 inch rear rim, 1 / 2 inch rear caliper brake, 1-1 / 8" rear wheels. Imperium Cycle Suspension: The load is reduced, suitable for road riding, it is suitable for riding. Bicycle Wheel Rim Set: 20mm rim, 20 inch rim width, 1 / 8" diameter, 20mm climing, 40mm diameter. 20 Inch Bicycle Rim: 20 inch rim, suitable for most bikes. Silverrock Wheelset: 50 for 1 / 2" diameter, 50 for 3 wheel rims. BRAND: SILVEROCK. 50mm High Porfile. CNC hubs. Contains: front rear wheels, rim tape, skewers. Matieral: 3k carbon rims matte). Hubs: SILVEROCK, CNC, bearing front 2, rear 4, aluminum hubs, smooth sound, not so lound. Spokes: Sapim or Pilar spokes. Nipples: alloy nipples. Custom type: front 20H, rear 24H, Hub: Front 100mm x9mm rear 130x10mm. Weight: appro front 515g, rear733g. Rim size: 50mm. Fits for 20451 or 406 minivelo or Folding bike Hub axle system 100/130mm. Origin: Made in China, build by SILVEROCK. Rim size