Produts description:
Contains: front +rear wheels ,rim tape,skewers,cassette spacer;
Matieral: 3k carbon rims ( matte) ,50mm,T700
Hubs: SILVEROCK ,CNC ,aluminum hubs,6 pawls ,72rings, loud sound, OLD front 74mm or 100mm ,rear 130mm disc
Spokes: Sapim or Pilar PSR standard stainless steel spokes
Nipples: Sapim or Pilar brass nipples
Custom type: front 20H ,rear 24H ;
Hub: Front 74mm or 100mm x 9mm, rear 130x 10mm
Weight: front 543g, rear 693g (451)
Fits for 20" 451 406 minivelo or Folding bike (Hub axle system 74/130mm, v/c brake only.
Weight：
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Hub:
On folding bike review：
Detail:
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