Yes, there are two ways to change the travel of your 2021-2026 ZEB A1-A3 with a DebonAir or DebonAir+ spring. See below:
If you already have ButterCups (Ultimate level fork) or want to change the travel without adding ButterCups to your air spring, you can use the kits listed below.
11.4018.111.049 FORK SPRING DEBONAIR+ SHAFT - (INCLUDES AIR SHAFT, BOTTOM STUD, AND BUMPERS) 150MM- 27/29 (BUTTERCUP AND NON-BUTTERCUP COMPATIBLE) - ZEB A1+
11.4018.111.050 FORK SPRING DEBONAIR+ SHAFT - (INCLUDES AIR SHAFT, BOTTOM STUD, AND BUMPERS) 160MM- 27/29 (BUTTERCUP AND NON-BUTTERCUP COMPATIBLE) - ZEB A1+
11.4018.111.051 FORK SPRING DEBONAIR+ SHAFT - (INCLUDES AIR SHAFT, BOTTOM STUD, AND BUMPERS) 170MM- 27/29 (BUTTERCUP AND NON-BUTTERCUP COMPATIBLE) - ZEB A1+
11.4018.111.052 FORK SPRING DEBONAIR+ SHAFT - (INCLUDES AIR SHAFT, BOTTOM STUD, AND BUMPERS) 180MM- 27/29 (BUTTERCUP AND NON-BUTTERCUP COMPATIBLE) - ZEB A1+
11.4018.111.053 FORK SPRING DEBONAIR+ SHAFT - (INCLUDES AIR SHAFT, BOTTOM STUD, AND BUMPERS) 190MM- 27/29 (BUTTERCUP AND NON-BUTTERCUP COMPATIBLE) - ZEB A1+
If your fork doesn’t have ButterCups and you want to add them, then you’ll use any of the kits listed below.
00.4318.066.000 Air Spring Upgrade Kit - DebonAir+ w/ ButterCup 190mm (includes air shaft assembly, ButterCup, and seal head) - ZEB A1+
00.4318.066.001 Air Spring Upgrade Kit - DebonAir+ w/ ButterCup 180mm (includes air shaft assembly, ButterCup, and seal head) - ZEB A1+
00.4318.066.002 Air Spring Upgrade Kit - DebonAir+ w/ ButterCup 170mm (includes air shaft assembly, ButterCup, and seal head) - ZEB A1+
00.4318.066.003 Air Spring Upgrade Kit - DebonAir+ w/ ButterCup 160mm (includes air shaft assembly, ButterCup, and seal head) - ZEB A1+
00.4318.066.004 Air Spring Upgrade Kit - DebonAir+ w/ ButterCup 150mm (includes air shaft assembly, ButterCup, and seal head) - ZEB A1+
RockShox service kits and spare parts are best obtained through your local shop or dealer. See our dealer locator, below, to find a dealer near you. If no one is currently listed near you, then please search for local shops via your preferred web browser.
https://www.sram.com/en/dealer-locator
Manuals and additional information about RockShox and SRAM components can be found at our service site, linked below.
https://www.sram.com/en/service
Further questions?
Reach out to Rider Support by Asking A Question at the link below.
https://www.sram.com/en/rockshox/campaigns/rockshox-rider-support