Author Traction 27.5 2025 (black/silver/red)
Product code: K232412|15
Author Traction 27.5 2025 (black/silver/red)
15" frame size on 27.5" wheels
□ 17", 19" and 21" frame sizes on 29" wheels
□ Lightweight hydroformed aluminium frame with 2× butted tubes and fully internal cable routing
□ RST AERIAL 29 TRL air fork, remote lockout
□ SHIMANO Deore rear derailleur and shifter, 1 × 12 speeds
□ SHIMANO BR-MT410 hydraulic disc brakes
□ Lightweight branded VITTORIA Barzo 27.5"/29" × 2.25" tyres
Frame geometry
| Size | min height | max height | S/T c-t | S/T c-c | T/T h | T/T a | H/Tt | C/S | W/B | S/T ang. | H/T ang. | F/L | B/B | reach | stack | F/R | hb | stem | crank |
| 27.5"/15" | 152 | 168 | 381 | 570 | 555 | 90 | 435 | 1082 | 73 | 69 | 495 | 35 | 397 | 566 | 44 | ||||
| 29"/17" | 168 | 179 | 432 | 605 | 592 | 100 | 445 | 1135 | 74 | 69 | 510 | 65 | 428 | 616 | 51 | ||||
| 29"/19" | 178 | 189 | 483 | 630 | 611 | 115 | 445 | 1161 | 74 | 69 | 510 | 65 | 449 | 630 | 51 | ||||
| 29"/21" | 188 | 202 | 535 | 650 | 628 | 130 | 445 | 1182 | 74 | 69 | 510 | 65 | 465 | 644 | 51 |
- S/T c-t - seat tube (center-top), seat tube length from the centre of the bottom bracket to its top
- S/T c-c - seat tube (center-center), seat tube length from the centre of the bottom bracket to the top tube axis
- T/T h - top tube horizontal, horizontal top tube length
- T/T a - top tube actual, actual top tube length
- H/T - head tube, head tube length
- C/S - chain stay, chainstay length
- W/B - wheel base, wheelbase (distance between the front and rear wheel axles)
- S/T ang. - seat tube angle, angle between the seat tube axis and an imaginary line connecting the front and rear wheel axles
- H/T ang. - head tube angle, angle between the head tube axis and an imaginary line connecting the front and rear wheel axles
- F/L - fork length, fork length from the bottom of the headset to the centre of the front wheel
- B/B drop - bottom bracket drop, distance between an imaginary line connecting the wheel centres and the centre of the bottom bracket
- F/R - fork rake, distance between the head tube axis and the fork axle measured at the centre of the front wheel, the so-called offset
- hb - handlebars
- stem - stem
- crank - cranks
Additional information
![]() | ![]() | ![]() |
| frame: | double butted hydroformní dural 6061 27.5 |
| front wheel / hub: | QUANDO Disc / SHIMANO, 32 děr / AUTHOR Xenon TRC 27.5/ 32 děr |
| rear wheel / hub: | QUANDO Disc / SHIMANO, 32 děr / AUTHOR Xenon TRC 27.5/ 32 děr |
| tires: | VITTORIA Barzo, skládací, 27.5x2.25 |
| rear derailleur: | SHIMANO Deore |
| saddle: | AUTHOR Navigator |
| chain: | KMC X12 |
| fork: | RST Aerial 27.5 TRL, vzduchová, dálkově uzamykatelná (100 mm) |
| brakes: | SHIMANO BR-MT410, kotoučové hydraulické / SHIMANO BL MT401 |
| shifters: | SHIMANO Deore (12) |
| cranks: | SHIMANO M510-1, 34 zubů, 170 / 175 mm kliky / SHIMANO BB-52 BB, unit |
| cassette: | SHIMANO CS-M6100-12, 10-51 (12) |
| manufacturer code: | 42956903, 42956902, 42956904 |
| EAN: | 8590816087774 |
| seatpost: | AUTHOR dural (31.6) |
| model year: | 2025 |


















































































































































































































































































































































































































































































