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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Aura 44 2019 | AUTHOR Traction 29 2021-22 | - | - |
| Code | UA#42912301 | UA#42935602 | - | - |
| Model card | link | link | - | - |
| Size | 480, 500, 520, 540, 560, 580 mm | 17", 19", 21" | - | - |
| Frame | triple butted alloy 6061 | double butted hydroformed alloy 6061 29" | - | - |
| Front fork | AUTHOR carbon legs, alloy steerer 1.5" tapered | RST Aerial 29 TRL air, remote lock out (100 mm) | - | - |
| Head parts | PRESTINE Integrated 1.5" tapered | AUTHOR Integrated 1.5" tapered | - | - |
| Chain Wheel | SHIMANO Tiagra Compact 50-34 teeth 170 / 172.5 / 175 mm cranks | SHIMANO M4100-2 36-26 teeth 170 / 175 mm cranks | - | - |
| BBParts | SHIMANO BB-RS500 BB unit | SHIMANO BB-52 BB unit | - | - |
| Front derailleur | SHIMANO Tiagra | SHIMANO Deore (34.9) | - | - |
| Rear derailleur | SHIMANO Tiagra | SHIMANO Deore | - | - |
| Shifters | SHIMANO Tigrra (20) | SHIMANO Deore (20) | - | - |
| Free wheel | SHIMANO HG500-10 11-32 (10) | SHIMANO CS-M4100-10 11-42 (10) | - | - |
| Chain | KMC X10 | KMC X10 | - | - |
| Hubs | QUANDO Road 32 holes | AUTHOR Radon 32 holes | - | - |
| Brakes | TEKTRO R313 | TEKTRO Gemini disc hydraulic (7" rotors) | - | - |
| Brakes levers | SHIMANO Tiagra | TEKTRO Gemini | - | - |
| Rims | JALCO MRX24 32 holes | AUTHOR Xenon TRC 29 32 holes | - | - |
| Spokes | black stainless steel 2.0 mm | black stainless steel 2.0 mm | - | - |
| Tires | VITTORIA Zaffiro Pro kevlar 700 x 28c | VITTORIA Barzo foldable 29" × 2.25" | - | - |
| Handlebar | AUTHOR 440 / 460 mm | AUTHOR Flatbar 9° 700 / 720 mm | - | - |
| Grips/Bar tapes | AUTHOR suede / gel | - | - | - |
| Stem | AUTHOR | AUTHOR alloy | - | - |
| Seat post | AUTHOR (27.2) | AUTHOR alloy (31.6) | - | - |
| Seat clamp | AUTHOR (31.8) | AUTHOR (34.9) | - | - |
| Saddle | AUTHOR Aura CR | AUTHOR Navigator | - | - |
| Speed | 20 | 20 | - | - |
| Weight | 9,4kg / 54" | 13,3 kg / 19" | - | - |
| Pedals | - | AUTHOR alloy | - | - |
| Grips | - | AUTHOR Pro Lock | - | - |
