Brand: Gaotelu Material: high carbon steel
Speed: 18 speed Weight: 11KG
Size: 20 * 1 1/8 (451 small wheel road bike)
Disc 53-39T,
flywheel 11-28T
18-speed hand shifting, 1 to 2 seconds can manipulate the brakes and shifting at the same time, this is professional.
4 Perrin 6 claw bearing hubs, sound riot, smooth!
Here is the anatomy of the hub, good products can be so transparent!
The front 2 Perrin hubs are not inferior to the rear hubs in terms of Lubrication, with good lubrications and good sealing