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| Image |  | - | - | - |
|---|---|---|---|---|
| Product | AUTHOR Aura XR4 2021-22 | - | - | - |
| Code | UA#42941302 | - | - | - |
| Model card | link | - | - | - |
| Size | 500, 520, 540, 560, 580 mm | - | - | - |
| Frame | triple butted alloy 6061 | - | - | - |
| Front fork | AUTHOR carbon legs, alloy steerer 1.5" tapered | - | - | - |
| Head parts | PRESTINE Integrated 1.5" tapered | - | - | - |
| Chain Wheel | SHIMANO GRX 600 46-30 teeth 172.5 / 175 mm cranks | - | - | - |
| BBParts | SHIMANO BB-RS500 BB unit | - | - | - |
| Front derailleur | SHIMANO GRX 400 | - | - | - |
| Rear derailleur | SHIMANO Tiagra (20) | - | - | - |
| Shifters | SHIMANO GRX 400 (20) | - | - | - |
| Free wheel | SHIMANO HG500-10 11-34 (10) | - | - | - |
| Chain | KMC X10 | - | - | - |
| Hubs | QUANDO Road Disc 12 × 100 mm thru front axle 32 holes | - | - | - |
| Brakes | SHIMANO RS305 kotoučové mechanické (160 mm kotouče) | - | - | - |
| Brakes levers | SHIMANO Tiagra | - | - | - |
| Rims | JALCO SRD 21 32 holes | - | - | - |
| Spokes | black stainless steel 2.0 mm | - | - | - |
| Tires | PANARACER Gravel King SK Sport 700 × 38c | - | - | - |
| Handlebar | PROMAX 420 / 440 / 460 mm | - | - | - |
| Tapes | AUTHOR suede / gel | - | - | - |
| Stem | AUTHOR | - | - | - |
| Seat post | AUTHOR (27.2) | - | - | - |
| Seat clamp | AUTHOR (31.8) | - | - | - |
| Saddle | AUTHOR Guru | - | - | - |
| Speed | 20 | - | - | - |
| Weight | 10,8 kg / 54 cm | - | - | - |
