GOKISO Hub
for Disc Brake

Characteristics
You will be impressed to see the wheels keep rotating "forever" with the least input. The hub structure,The GOKISO hub for Disc Brake also comes with our original rotation performance. It suits for MTB, CX, and Disc Brake Road Bike. The shock absorbing elastic suspension performs its ability at rough road and keep the bearings’ rotation smooth.
The "Jet-engine-inspired" GOKISO elastic suspension.
Ball bearings in a bike hub must be big enough to support its load, thus, larger its diameter, the bearing balls suffer more friction and heat generation. As a result, it degrades the rotation performance. The GOKISO Hub use of 2mm-diameter"micro steel balls"made of the highest quality material used for precision machines is certainly unique. The roundness accuracy of the "Micro steel balls"is well illustrated by this is if the ball was the size of the moon, the surface roughness of the ball would be as little as 70m.
The world's first "Double-bearing" structure.
Ball bearings in a bike hub must be big enough to support its load, thus, larger its diameter, the bearing balls suffer more friction and heat generation. As a result, it degrades the rotation performance. The GOKISO Hub use of 2mm-diameter "micro steel balls" made of the highest quality material used for precision machines is certainly unique. The roundness accuracy of the "Micro steel balls" is well illustrated by this is if the ball was the size of the moon, the surface roughness of the ball would be as little as 70m.


GOKISO’s shock absorbing and elastic body suspension is the ultimate solution to axle deformation.
Cobblestones bike racings are popular bicycle tours in Europe. When racing on such a rough street, a hub must bear a deadly impact (approx. 600kg weight) in every moment. With a standard hub structure, a shaft easily gets deformed and axle becomes deflected causing bearings to twist.This creates a constant "put on brake" condition on the bearing, caused by abraded steel bearing balls . As a result, more pedaling force is required. GOKISO Hub adopts a spring-structured and elastic body suspension around the bearings with a 0.5mm play to absorb the shock. This system minimizes the shock without sacrificing its rotation performance.
Spherical nut and washer
A hub shaft could get deformed during wheel installation when clamping the wheel to the folk or the frame using a quick lever.
Our spherical nut and washer are the successful solution for these problems. By keeping the hub shaft straight regardless of frame deformation, we have achieved the highest rotation accuracy without abrading or damaging the bearing.
P5 grade (DIN) high precision bearing, made in Japan.
GOKISO Hub has two bearings each side (&qout;double bearing system&qout;) whereas a standard hub has a single bearing on both sides of the shaft. In addition to the four bearings in the front, we have added extra bearings to the rear unit drive; totaling seven bearings. This new structure improves durability against static load and minimizes the bearing vibration.
Free Body canbe exchanged using GOKISO tools.
Exchange of free body (11 speeds Shimano to 10/11 speeds Campagnolo, v.v.) can be done using GOKISO tools made for that purpose.
This can be easily done by anyone without disassemblying the wheel, free from damages to the precision bearings.
Color
Red
Matte Black
Specification
GOKISO Hub for Disc Brake
  Front hub Rear hub
Freehub body - Campagnolo 10/11s Shimano 11s
O.L.D. 100mm 135mm
Spoke H 20H ~ 36H 24H ~ 36H
Center to flange * 22.4mm / 29.4mm 31.6mm / 18.8mm
P.C.D. * φ60mm / φ60mm φ60mm / φ60mm
* mm / mm = left / right
Recommended Spoke SAPIM CX-RAY
Bearing type Non-contact sealed deep groove bearing (DIN P5)
Bearing Qty 4 pcs 7 pcs
Ratchet - 4 pawls / 92 notch
Disc mount 6 bolt (P.C.D. 44mm)
Material A7075T73
Weight 306g 476g
Material A7075T73