Insights

ABP / Split Pivot scheme, much used by Trek: explanation

ABP, Split Pivot, Full Floater: various variations of the same shock absorbing shema. where the first actors are DeVinci and Trek.

Written by

David Finetto

August 1 2022

Trek Fuel NX

These 2 systems have many characteristics in common: in fact, in the past, Dave Weagle (Split Pivot) and Trek (ABP) have been involved because Weagle alleged that Trek had copied the system from him. In a way it's true but Trek just made those small changes to get around the patent.

The Assisted Single Pivot, or “imperfect” quadrilateral, by inserting a rear pin concentric to the wheel axis, allowing the positioning of the brake caliper on the seat stays or low ones.

Devinci Troy with Split Pivot — Top Fuel 9.7 with ABP

This positioning significantly reduces the effect of braking forces (Anti-Rise), but not to completely exclude them as we understand marketing. Trek's ABP scheme and Split Pivot scheme (also used by BH Bikes as well as DeVinci) work as an assisted Single Pivot, from a pedaling point of view (Anti Squats), but with different (and better) characteristics from a braking point of view.

In this article:Abp, Shock Absorbers, Insights, Full Floater, Suspensions, Split Pivot, Technology

Written by David Finetto

[email protected] I am a fan of everything that has 2 wheels: at a young age I practiced road and track cycling (Italian Allievi champion). At the age of 18 I passed into the cross country competing at national/international level as an Under23. Past Elite, I made the choice to take things more lightly from a training point of view, and my love for gravity disciplines was born, training me as an FCI MTB instructor and guide. Now I have made passion my profession by managing 2 MTB centers on the island of Elba (Bike Center Elba and Elba MTB), creating the FANTAmtb and telling in an ironic but professional way everything that revolves around MTB thanks to 365mountainbike and 365TV (YouTube'PULITI dentro BIKER fuori').