Mission 27.5 Technology Mission 27.5 Technology

THE GREAT KNUCKLEBOX MIGRATION

For 2015, the game is changing. We are now entering what we are calling the knucklebox migration. What this means is that we have refined the platform to leverage even more performance from our proven knucklebox design. We did this by shifting all the suspension components forward in the frame. This increased the travel to 160mm and made room for the fast rolling / nimble 27.5 wheels. A newly designed and inverted knucklebox linkage and our proprietary single sided hardware round out our signature am full suspension ride!

The knucklebox, or bell crank, is the core of our single-pivot four-bar suspension platform. Optimally placed pivots equate to a low leverage ratio, and ultimately to superior pedaling efficiency and small-bump compliance. This also allows the shock to work more efficiently, reduces pedal induced motion and reduces overall load on the system which will lead to improved shock and bearing life. Placing the knucklebox low within the frame, situates the greatest weight of the bike closer to the bottom bracket, which lowers the bike’s center of gravity and allows it to track and corner better.

Wheel-rate is a significant aspect of any suspension system. Wheel rate is the effective spring-rate when measured at the wheel. A benefit of our four-bar linkage is increased control over the wheel-rate. Obtaining the spring-rate curves in shocks from fox is necessary to allowing us to determine the wheel-rate. Working closely with fox, we’re able to optimize the wheel-rate to be linear-to-slightly progressive. This results in superb small-bump compliance, more perceived travel and excellent bottom-out protection. For this application we’ve chosen to run a 160mm fox float x ctd w/ trail adjust air shock. The float x is specifically designed for aggressive all mountain riding and the ctd (climb, descend, trail) offers a wide range of compression dampening. Overall, the float x provides a feeling of endless travel and plushness like that of a downhill rig, but with pedaling efficiency of an xc machine.

ABOUT THE FRAME

Knucklebox frames are created from 6061-t6 weapons grade aluminum and features a hydroformed top tube, a butted and formed downtube and seatstays, a beefed up seatstay bridge, a tapered headtube, internal cable routing, iscg 05 tabs, a 142x12mm e-thru axle drop out and diamondback’s legendary knucklebox suspension technology.

KNUCKLEBOX

Redesigned knucklebox (Bell crank) to accommodate increased travel to 160mm and 27.5” wheels

ISCG MOUNT / LOW DIRECT MOUNT

  • STEALTH CABLE ROUTING EXIT PORT
  • ISCG 05 TABS
  • LOW DIRECT MOUNT FRONT
  • DERAILLEUR COMPATIBLE

SINGLE SIDED HARDWARE

Single sided hardware for easy access to main pivot and link

142 X 12MM

142x12mm rear thru axle for lateral stiffness

Site Map Diamondback For Life