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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Aura XR6 2021-22 | AUTHOR Ultrasonic 27,5 2020 | - | - |
| Code | UA#39902502 | UA#42922201 | - | - |
| Model card | link | link | - | - |
| Size | 500, 520, 540, 560, 580 mm | 14", 16" | - | - |
| Frame | triple butted alloy 6061 | triple butted hydroformed alloy 6061 27.5" | - | - |
| Front fork | AUTHOR carbon 1.5" tapered | RST F1RST 27.5 air lock out (80 mm) | - | - |
| Handlebar | RITCHEY Road ErgoMax 420 / 440 / 460 mm | AUTHOR Flat Top bar 9° 620 / 640 mm | - | - |
| Head parts | - | AUTHOR Integrated 1.5" tapered | - | - |
| Chain Wheel | - | SUNTOUR Zeron 32 teeth 160 / 170 mm cranks | - | - |
| BBParts | - | SUNTOUR BB unit | - | - |
| Rear derailleur | - | SHIMANO SLX | - | - |
| Shifters | - | SHIMANO SLX (11) | - | - |
| Free wheel | - | SHIMANO M7000-11 11-46 (11) | - | - |
| Chain | - | SHIMANO HG601 | - | - |
| Hubs | - | AUTHOR Xenon 32 holes | - | - |
| Brakes | - | PROMAX disc hydraulic (6" rotors) | - | - |
| Brakes levers | - | PROMAX | - | - |
| Rims | - | AUTHOR Xenon Pro 27.5 32 holes | - | - |
| Spokes | - | stainless steel hi-ten 2.0 mm black | - | - |
| Tires | - | CST B-Trail kevlar 27.5" x 2.25" | - | - |
| Grips | - | AUTHOR kratton rubber | - | - |
| Stem | - | AUTHOR alloy | - | - |
| Seat post | - | AUTHOR alloy (31.6) | - | - |
| Seat clamp | - | AUTHOR (34.9) | - | - |
| Saddle | - | AUTHOR Champion CR | - | - |
| Speed | - | 11 | - | - |
| Weight | - | 11,5 kg /16" | - | - |
