Prototype 3 utilises the same 4-bar layout as our P2 downhill bike.
It features a 4-bar linkage to generate a rearward axle path. The idler is attached to the rocker link, such that it moves rearward/upward as the suspension compresses. 
This movement of the idler is strategically tuned to provide a specific rate of chain growth, such that there is an increasing amount of anti-squat through the pedalling range of suspension travel. All this equates to a very supportive pedalling platform, meaning 6" travel feels more like 4" when you're pedalling up a hill.

Specifications:
Vertical Wheel Travel: 150mm
Horizontal Wheel Travel: 48.6mm
Weight: 13.8kg (with room for improvement: lighter saddle, Ti bolts, more machining on the lower link).
Shock: 7.875" x 2.25" Cane Creek DB Air CS
Frame Material: 4130 Chromoly (Links 7075 Aluminium)

Geometry - Fully Extended:
Head Angle: 67deg
Seat Angle: 73deg
Wheelbase: 1160mm
Chainstays: 423mm
BB 4.5mm below axles (roughly 346mm above ground - depending on tyres).
Reach: 427mm
Stack: 614mm

Geometry - Sagged 33% F&R:
Head Angle: 66.6deg
Wheelbase: 1170mm
BB Height: 50mm below axles (roughly equates to 300mm off ground – depending on tyres).
Chainstays: 451mm

 

 

 

 
     

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