Author A-Matrix 27.5D 2026 (white/silver/gold)
Versatile sports model for juniors.
- Wheel diameter 27.5
- Suitable for rider height 140–170 cm, frame sizes 14/16
- Lightweight aluminium frame
- SHIMANO components, 9-speed (11-46)
- Suntour SF18-XCE28 suspension fork
- TEKTRO hydraulic disc brakes
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14" | 140 | 158 | 356 | 555 | 100 | 420 | 1046 | 73.5 | 69.5 | 480 | 45 | 385 | 574 | 43 | |||||
| 16" | 155 | 170 | 406 | 575 | 110 | 420 | 1066 | 73.5 | 69.5 | 480 | 45 | 404 | 574 | 43 |
Additional information
![]() | ![]() | ![]() |
| speeds: | 9 |
| frame: | hliník 27.5″ |
| pedals: | plast |
| front wheel / hub: | QUANDO Disc, 28 děr |
| rear wheel / hub: | QUANDO Disc, 28 děr |
| tires: | AUTHOR Argon 27.5, 28 děr |
| rear derailleur: | SHIMANO Cues 4000 |
| saddle: | AUTHOR Cadet |
| chain: | KMC XGlide |
| fork: | SUNTOUR XCE28 27.5 (80 mm) |
| brake levers: | TEKTRO HD-J2820 |
| brakes: | TEKTRO HD-J2820, kotoučové hydraulické (6″ kotouče) |
| shifters: | SHIMANO Cues 4000 (9) |
| cranks: | PROWHEEL, 32 zubů, 165 / 170 mm kliky |
| cassette: | SHIMANO CS-LG300-9, 11-46 zubů (9) |
| manufacturer code: | 42963900, 42963901 |
| EAN: | 8590816089815, 8590816089822 |
| seatpost: | Hliník (27.2) |
| model year: | 2026 |
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