TECH rear shock spring for 2025+ TRS RR and 2023+ GASGAS TXT Trials models.

TXT125RACING is standard with 68.7 spring for riders 60 to 75kg

TXT250/280/300RACING/GP is standard with 73.6 spring for riders 70 to 90kg

Spring Rates:

For riders 60kg or less use 63.6 spring with 7.5mm spacer. -  F230021

For riders 60 to 75kg use 68.7 spring with 6mm spacer. -  F230020

For riders 70 to 90kg use 73.6 spring with 4.5mm spacer -  F230019

For riders 90 to 105kg use 78.5 spring with no spacer - F230018

For riders over 100kg + use 83.4 spring with no spacer  -  F230017

Note: Correct Spacer is included with the Spring (Some spring rates have no spacer)

For identification purposes, the printed markings on the spring coils are:

TECH 171-63.8 (for the F230021)

TECH 191–68.7 (for the F230020)

TECH 211-73.6 (for the F230019)

TECH 134-78.5 (for the F230018)

TECH 251-83.4 (for the F230017)