APS – Geometry: 1 Obstacles: 0
Picture yourself on your full suspension bike riding a pretty tough trail. After every sharp turn you accelerate. But, imagine if every time you do this, the suspension eats up your forward momentum, robbing you of your fun, and the rewards for your hard work.
APS Advanced Pivot System
A well-designed full suspension bike offers the control and confidence to ride a trail without hesitation. Ideal suspension systems maximize pedaling efficiency without compromising the ability to soak up the bumps. Our solution is the Advanced Pivot System (APS) which optimizes kinematics and pivot placements, leverage ratios, axle paths and shock dimensions. Iterative calculations fine-tune all the suspension properties of each of our distinctive full-suspension models to achieve the best ride characteristics for any terrain. The result is a light, stiff and compact structure that promotes excellent control and energy transfer for the rider.
When accelerating, an inertial force is generated which attempts to compress the shock system. Our APS solution counteracts this effect. It carefully calculates the pivot points of the rear suspension so that inertial force generated under acceleration is not misdirected into compressing the shock, instead, the chain tension compensates for this effect. As a result, all the pedal power is used for propulsion without any loss of energy through the suspension. The shock system ensures optimum traction, and therefore ensures that power is transferred to the ground.
Our solution to finding the optimal pivot placement, APS achieves this through iterative calculations in order to fine-tune such suspension characteristics as leverage ratio, axle path, and the amount of kickback. The unified rear triangle is linked to the main frame by two short links, with the upper link actuating the shock. The result is a light, stiff and compact structure. Impacts are absorbed by the shock system, providing excellent comfort for the rider. Another example of our forward-thinking cycling solutions from the Impec R&D Lab and the efforts we go to put the rider in the middle of the equation, the advanced pivot system offers the rider the perfect combination of efficiency, traction, and comfort.
TractionTo achieve just the right amount of travel for each of our distinct models we optimized the leverage ratio, ensuring the optimal balance between progression and small bump sensitivity.
ControlLow suspension ratio means greater oil flow and energy dissipation. Pick your line and let the bike do the rest.
EfficiencyThere is a lot to be said for keeping the rubber side down. With less time in the air you cover ground faster.
Between the epic flow of EWS Chile and the brutal challenge presented by EWS Scottland, BMC Enduro rider Aaron Bradford gets back to his roots on his home trails of Santa Cruz, CA. Along the way, Aaron's BMC trailfox TF01 adapts smoothly to the versatile terrain he encounters.