PROX Shock Seal Head Kit for KTM, SHERCO, HUSQVARNA and GAS GAS 2003-2027

The PROX 26.810120 shock seal head kit is designed for KTM ENDURO 690, EXC 150, EXC 250, EXC 300, EXCF 250, EXCF 350, EXCF 450, EXCF 500, FREERIDE 250, FREERIDE 350, SX 85, SX 105, SX 450, SX 505, XCW 125, XCW 150, SHERCO SE 125, SE 250, SE 300, SEF 250, SEF 300, SEF 450, HUSQVARNA TC 85 and GAS GAS MC 85 from 2003 to 2027. The seal head closes the shock body around the shaft: it carries the oil seal, the wiper and the guide bushing. When worn, it lets oil leak, the damping disappears and the shaft develops play.

Specifications

• Brand: PROX
• Manufacturer part number: 26.810120
• Weight: 120 g

When to replace it?

• Oil on the shock body or on the shaft.
• Rear end that bounces: the rebound damping is fading.
• Side play in the shock shaft.

Replace the seal head at every shock service, or at the first leak. A shock service requires recharging with nitrogen: if you are not equipped, leave it to a suspension workshop.

Fitting tips

1. Remove the shock, then release the nitrogen from the reservoir following the manual before opening anything.
2. Take the shaft apart, replace the seal head and check the shaft (scratches, pitting, straightness).
3. Reassemble with new shock oil, bleed the air and recharge the nitrogen to the manual's pressure.

Why PROX?

ProX Racing Parts has been supplying engine and clutch parts to motocross riders since 1975, from its headquarters near Amsterdam. According to its catalogue, most of its parts are made in Japan, by manufacturers that also produce parts for the Japanese motorcycle makers.

Spare parts and items to plan

• Shock spring : INNTECK QS11 · INNTECK QS12
• Linkage bearings : PROX 26.350059 · PROX 26.410089

Frequently asked questions

Can I do it myself?
The replacement itself is simple, but the shock has to be drained of nitrogen, bled and recharged to the right pressure: without the equipment, go to a specialist.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
GAS GAS MC 85 2027
GAS GAS MC 85 2026
GAS GAS MC 85 2025
GAS GAS MC 85 2024
GAS GAS MC 85 2023
GAS GAS MC 85 2022
GAS GAS MC 85 2021
HUSQVARNA TC 85 2027
HUSQVARNA TC 85 2026
HUSQVARNA TC 85 2025
HUSQVARNA TC 85 2024
HUSQVARNA TC 85 2023
HUSQVARNA TC 85 2022
HUSQVARNA TC 85 2021
HUSQVARNA TC 85 2020
HUSQVARNA TC 85 2019
HUSQVARNA TC 85 2018
HUSQVARNA TC 85 2017
HUSQVARNA TC 85 2016
HUSQVARNA TC 85 2015
HUSQVARNA TC 85 2014
KTM ENDURO 690 2018
KTM ENDURO 690 2017
KTM ENDURO 690 2016
KTM ENDURO 690 2015
KTM ENDURO 690 2014
KTM ENDURO 690 2013
KTM ENDURO 690 2012
KTM ENDURO 690 2011
KTM ENDURO 690 2010
KTM ENDURO 690 2009
KTM EXC 150 2026
KTM EXC 150 2025
KTM EXC 150 2024
KTM EXC 150 2023
KTM EXC 150 2022
KTM EXC 150 2021
KTM EXC 150 2020
KTM EXC 250 2026
KTM EXC 250 2025
KTM EXC 250 2024
KTM EXC 250 2023
KTM EXC 250 2022
KTM EXC 250 2021
KTM EXC 250 2020
KTM EXC 250 2019
KTM EXC 250 2018
KTM EXC 250 2017
KTM EXC 300 2026
KTM EXC 300 2025
KTM EXC 300 2024
KTM EXC 300 2023
KTM EXC 300 2022
KTM EXC 300 2021
KTM EXC 300 2020
KTM EXC 300 2019
KTM EXC 300 2018
KTM EXC 300 2017
KTM EXCF 250 2027
KTM EXCF 250 2026
KTM EXCF 250 2025
KTM EXCF 250 2024
KTM EXCF 250 2023
KTM EXCF 250 2022
KTM EXCF 250 2021
KTM EXCF 250 2020
KTM EXCF 250 2019
KTM EXCF 250 2018
KTM EXCF 250 2017
KTM EXCF 350 2027
KTM EXCF 350 2026
KTM EXCF 350 2025
KTM EXCF 350 2024
KTM EXCF 350 2023
KTM EXCF 350 2022
KTM EXCF 350 2021
KTM EXCF 350 2020
KTM EXCF 350 2019
KTM EXCF 350 2018
KTM EXCF 350 2017
KTM EXCF 450 2027
KTM EXCF 450 2026
KTM EXCF 450 2025
KTM EXCF 450 2024
KTM EXCF 450 2023
KTM EXCF 450 2022
KTM EXCF 450 2021
KTM EXCF 450 2020
KTM EXCF 450 2019
KTM EXCF 450 2018
KTM EXCF 450 2017
KTM EXCF 500 2027
KTM EXCF 500 2026
KTM EXCF 500 2025
KTM EXCF 500 2024
KTM EXCF 500 2023
KTM EXCF 500 2022
KTM EXCF 500 2021
KTM EXCF 500 2020
KTM EXCF 500 2019
KTM EXCF 500 2018
KTM EXCF 500 2017
KTM FREERIDE 250 2017
KTM FREERIDE 250 2016
KTM FREERIDE 250 2015
KTM FREERIDE 350 2015
KTM SX 85 2027
KTM SX 85 2026
KTM SX 85 2025
KTM SX 85 2024
KTM SX 85 2023
KTM SX 85 2022
KTM SX 85 2021
KTM SX 85 2020
KTM SX 85 2019
KTM SX 85 2018
KTM SX 85 2017
KTM SX 85 2016
KTM SX 85 2015
KTM SX 85 2014
KTM SX 85 2013
KTM SX 85 2012
KTM SX 85 2011
KTM SX 85 2010
KTM SX 85 2009
KTM SX 85 2008
KTM SX 85 2007
KTM SX 85 2006
KTM SX 85 2005
KTM SX 85 2004
KTM SX 85 2003
KTM SX 105 2011
KTM SX 105 2010
KTM SX 105 2009
KTM SX 105 2008
KTM SX 105 2007
KTM SX 105 2006
KTM SX 105 2005
KTM SX 105 2004
KTM SX 450 2010
KTM SX 505 2010
KTM XCW 125 2019
KTM XCW 125 2018
KTM XCW 125 2017
KTM XCW 150 2019
KTM XCW 150 2018
KTM XCW 150 2017
SHERCO SE 125 2020
SHERCO SE 125 2019
SHERCO SE 125 2018
SHERCO SE 250 2021
SHERCO SE 250 2020
SHERCO SE 250 2019
SHERCO SE 250 2018
SHERCO SE 250 2017
SHERCO SE 300 2021
SHERCO SE 300 2020
SHERCO SE 300 2019
SHERCO SE 300 2018
SHERCO SE 300 2017
SHERCO SEF 250 2018
SHERCO SEF 250 2017
SHERCO SEF 300 2018
SHERCO SEF 300 2017
SHERCO SEF 450 2021
SHERCO SEF 450 2019
SHERCO SEF 450 2018
SHERCO SEF 450 2017