The KINGkong Boost front hub with 110mm hub spacing and Kong Boost rear hub with 148mm hub spacing differs in some fundamental points from the hubs with 100mm and 135/142mm hub spacing. When X-12 rear stays were introduced only the hub spacing was increased, the geometry of the hub (flange distance and bearing support points) remained unchanged. The Boost standard allows a complete adaptation of the hubs with wider hub body and axle. A conversion of current hubs to the Boost standard is therefore not possible. However, the new standard offers some advantages:

 

• The flange distance increases for both hubs. Thereby stiffer wheelsets can be build, especially noticeable for 29er. One point of critics for the bigger 29er wheels was the poor stiffness. th elarger hub spacing of the Boost standard allows 29er wheels to be similarly stiff to traditional 26" wheels!

 

• The bearing support points can be wider and therefore be constructed stiffer and more stable. Certainly the topic weight plays a big role in our development, here the King Boost & Kong Boost only bring 121g & 214g on to the scale! Kong boost can also be used for the new Evo6 Standard.

 

(See second image) The Syntace Evo6 standard uses the Boost standard as a basis, ie. 148 mm hub spacing. The Evo6 technology uses an asymmetrical rear end however. The right sided flange and cassette move 6 mm outwards. Compared to 142 mm the left flange remains in trhe same position. With Boost, the hub size was increases by 3 mm in both directions. The hub itself is therefore a "normal" Kong Boost. Please mention that the wheel is used in a Evo6 frame when ordering. The wheel will be centered 3 mm towards the left.

This disc hub is for IS2000 6-bolt rotors.

 

Note: Please specify freewheelbody required in the notes when ordering.

TUNE Kong Boost Rear Hub

$559.00Price
Colour
Spoke Count
  • Body & freewheel aluminium
    Axle aluminium, Ø 17 mm
    Production methods CNC -machined one-piece body and freewheel body, anodized and lasered
    Number of holes 28 / 32
    Brake disc support IS 2000
    Hub spacing 148 mm
    Bearing 4 deep-groove ball bearings- 3 x 61803, 1 x 61903
    Sealing double contact seals
    Clamping method Thru-axle
    Hole Ø 55,5 mm
    Flange distance (l/r) 36,3 mm / 24,1 mm
    Freewheel 11-speed Shimano/ SRAM, 10-speed Shimano/ SRAM, XD SRAM, Campagnolo
    Weight  214g

     

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