| Upgrade(s) |
F32 |
F34 |
F36 |
F38 |
F40 |
| Luftkappe |
NO |
34: 18-22+; NOT COMPATIBLE WITH 34 RHYTHM AND 34 EBIKE; 34SC: 19-21 only (NOT 22+) |
36: all 18+ models; 36 Ebike take Luftkappe 34mm most of the time; NOT COMPATIBLE WITH 36 RHYTHM |
All Fox 38; Use Luftkappe 34-38 (Fox 34 and F38 use the same) |
NO |
| Trutune |
32 2018-2022 |
34: 16-22; 34SC: 15-22 |
36: all 18+ models; F36 Ebike require Trutune F34 |
All Fox 38; Standard or Short version |
F40: prototype stage, small quantity |
| Luftkappe+Trutune |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
NO |
| GRIP2 (compression, top cap only) |
NO |
Require GRIP1 damper, best damping upgrade for 34 Rhythm |
Require GRIP1 damper |
Require a fork with GRIP1 damper |
Require a fork with GRIP1 damper |
| Smashpot |
NO |
NO |
36: all 15+ models; 36 Ebike: spring 65lbs = maximum spring for most 36 Ebike; Max travel depends on fork chassis |
All Fox 38; Max travel depends on fork chassis |
NO |
| Secus |
32 2018+; not compatible with 32 Step-Cast and chassis with recessed footnut |
34: 18-22 and Rhythm; NOT COMPATIBLE with 34SC & chassis with recessed footnut |
all 2018+ 36, 36 Ebike and 36 Rhythm |
All Fox 38 |
F40 2018+; Secus Fox A3 |
| GRIP2 (compression, top cap only)+Luftkappe |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
NO |
| GRIP2 (compression, top cap only)+Trutune |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
YES - see related lines |
| Secus+Trutune |
YES - see related lines |
YES - see related lines |
YES - see related lines |
YES - see related lines |
YES - see related lines |
| GRIP2 |
NO |
34: 2015+, maximum travel 150mm; NOT COMPATIBLE WITH 34 RHYTHM |
36: 2015+ |
All Fox 38 |
F40 2015+ |
| GRIP2 (compression, top cap only)+Secus |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
YES - see related lines |
| GRIP2 (compression, top cap only)+Smashpot |
NO |
NO |
YES - see related lines |
YES - see related lines |
NO |
| GRIP2+Luftkappe |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
NO |
| GRIP2+Trutune |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
YES - see related lines |
| GRIP2 (compression, top cap only)+Secus+Trutune |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
YES - see related lines |
| GRIP2+Luftkappe+Trutune |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
NO |
| GRIP2+Secus |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
YES - see related lines |
| GRIP2+Smashpot |
NO |
NO |
YES - see related lines |
YES - see related lines |
NO |
| GRIP2+Secus+Trutune |
NO |
YES - see related lines |
YES - see related lines |
YES - see related lines |
YES - see related lines |
