The new 350 series hub adopt a classic double-sided spring Tooth Ratchet Clutch system,Power transmission is more direct and efficient, with excellent reliability, easy maintenance, and durability. To meet different preferences of rider, there are also 40T/60T ratchets available as options.

The size specifications, we supply a wide range of options, the MTB version front 5x100/ 15x100/15x110mm boost,and rear 15x100/12x148 boost; and HG/XD/MS cassette body with tool-free conversion. Road version r,HGR/XDR/MSR cassette body with tool-free conversion.conversion end cap available for some special bicycle. The spokes can be equipped with J-hook/straight pull, and the brakes can be equipped with 6 bolts/center lock.

>Material: Body: AL6061

                  Axle: AL7075

                  Endcap: AL7075

                  Cassette body: AL7075

>Spoke holes: 28/28

>Spokes interface: straight pull

>Gauge:14

>Sealed bearings: front 2+rear 4 pcs

>Brake interface: 6 ốc

>Cassette body: Tooth Ratchet Clutch/40T

>Weight: 226g

>Colour: black