Author Context ASL 29 2026 (matte titanium/black)
Hydroformed aluminium frame with 3x butted tubes and fully internal cable routing, including through the headset
- RST F1RST 29 15 AIR TRL air fork, remote lockout
- SHIMANO Deore crankset and shifters, SLX rear derailleur, 1 x 12 speeds
- SHIMANO BR-MT410 hydraulic disc brakes
- Lightweight branded VITTORIA Barzo 29 x 2.25 tyres
- Comfortable AUTHOR GripLock foam grips
Geometry

| size | min. height | max height | s_t_c_t | s_t_c_c | t_t_h | t_t_a | h_t | c_s | w_b | s_t_ang | h_t_ang | f_l | bb_drop | reach | stack | f_r | handlebars | stem | crank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 29"/16" | 155 | 168 | 406 | 590 | 110 | 450 | 1128 | 74 | 69 | 510 | 60 | 412 | 622 | 51 | |||||
| 29"/18" | 166 | 182 | 457 | 610 | 120 | 450 | 1149 | 74 | 69 | 510 | 60 | 429 | 631 | 51 |
Additional information
![]() | ![]() | ![]() |
| type: | MTB |
| speeds: | 12 |
| frame: | 3x zeslabovaný hydroformní hliník 29 (ASL) |
| front wheel / hub: | AUTHOR Helium 15 / SHIMANO, 15 x 100 mm přední pevná osa, 32 děr |
| rear wheel / hub: | AUTHOR Helium 15 / SHIMANO, 12 x 148 mm zadní pevná osa, 32 děr |
| tires: | VITTORIA Barzo, skládací, 29 x 2.25 |
| rear derailleur: | SHIMANO SLX |
| saddle: | AUTHOR Fenix |
| chain: | KMC X12 |
| fork: | RST F1RST 29 15 TRL, vzduchová, dálkově uzamykatelná (100 mm) |
| brake levers: | SHIMANO Alivio |
| brakes: | SHIMANO Alivio, kotoučové hydraulické |
| shifters: | SHIMANO Deore (12) |
| cranks: | SHIMANO MT510-1, 32 zubů, 170 / 175 mm kliky |
| cassette: | SHIMANO CS-M6100-12, 10-51 zubů (12) |
| manufacturer code: | 42968001, 42968011 |
| seatpost: | AUTHOR hliník (31.6) |
| model year: | 2026 |
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