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MSRP: $2,300
The Knuckle Box, 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 and reduces pedal induced motion. It also reduces overall load on the system which will lead to improved shock and bearing life. Placing the Knuckle Box low within the frame situates the greatest weight of the bike closer to the bottom bracket. This lowers the bike's center of gravity and allows it to better track and corner. Wheel-rate is also one of the most significant aspects of a 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 our Sortie29 series, we've chosen to run a Fox Float CTD Air Shock with Boost Valve. The extra volume "LV" 190x51mm air shock with rebound adjust 3 position Propedal Platform On/Off lever provides a feeling of endless travel and plushness like that of a downhill rig, but with XC pedaling efficiency. Dial in climb, trail, or descend mode instantly*Knuckle Box Frame Characteristics:* *142x12 mm Thru Axle* - Employing Shimano's new 142x12 mm E-Thru design makes for a stiffer and stronger rear-end on the bike. *Partnership w/ Fox* - By providing suspension kinematics early in our design process, Fox is able to custom tune their shock to work precisely with our frames, improving performance.
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