BMW ESA1 ESA2 and mechanical OEM shocks Front/Rear

First and second generation of electronic suspension made by WP and Showa for BMW and other bike manufactures.

Conventional shocks controlled by external linear actuators and electric motors normally found on BMW R1200GS, RT from 2006-2013 K models: K1200, K1300 ,K1600 some F models

Also equiped with dual rate spring made of two parts physical spring and elastomer element

This configuration allows rider to control spring rate of the shock

Similar system is used on some models with current active suspension like RT, RS K1600GTL

Those high performance dampers can be serviced, tunned and setup like most of the aftermarket shocks for the fraction of the cost.

T-Tech suspension offers range of replacment parts and upgrades.

If servicing is not what you are looking for please consider tractive suspension range in the link below!

SEVICE ESA WP/Showa ESA or manual front/rear

£145 + VAT

  • Disassembly and converting into the rebuildable unit
  • Inspection of internal parts
  • Cleaning and micro finishing piston rod (if needed)
  • Striping rebound system internal cleaning
  • Rebuild of seal head assembly inc Oil seal Dust seal guide bush, o-rings
  • Small modifications to remove well-known problems
  • Bleeding process in the vacuum chamber
  • Factory oil and nitrogen charge
  • Bench testing compression/reb linear actuator
  • Dyno test to ensure maximum performance

Optional extras

Shock revalve + £25 + VAT
Aluminum separating piston K models + £25 + VAT
Reduced friction piston band + £12 + VAT
OEM WP piston band + £5 + VAT
Custom spring to rider weight inc. spring seat + £70 + VAT
OEM Powdercoated Spring (if available) + £25 + VAT
Hydraulic Preload Adjuster Service (new seals oil) + £25 + VAT
Piston Rod Replacment /Hard chroming + £60 + VAT
Stepper motor water damage recovery + £25 + VAT
Standard UK postage UPS £10 + VAT

Dynamic ESA ZF, SACHS front/rear

from £222 inc VAT

Dynamic ESA Front/Rear Marzocchi, WP SA

from £198 inc VAT

KTM EDS, Triumph TES

from £174 inc VAT


As an authorized service centre for Tractive Suspension in the UK, we bring you cutting-edge technology and expertise. Tractive Suspension is renowned for its high-performance suspension systems, and our certified technicians are trained to provide the best-in-class service for your Tractive-equipped motorcycle

T-Tech Suspension is proud to be approved and tested by many independent BMW specialists and BMW authorized dealers including K-Tech and Tractive.

Our reputation for delivering exceptional service has made us a trusted partner in the motorcycle community.


We are your authorised service provider for Tractive Suspension BV in the United Kingdom. With years of experience, we specialise in enhancing your motorbike’s performance by improving its suspension system. Patented Dynamic Damping Adjustment (DDA) valve, the world’s fastest valve, ensures optimal traction and safety, pushing your motorbike to limits you wouldn’t have thought possible. Trust us to provide you with superior components and technologies, all designed to improve your ride. Don’t compromise on your motorbike’s functionality.

Tractive Suspension products are direct replacement for BMW, KTM, DUCATI, APRILIA, YAMAHA MOTORCYCLE.