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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Ultrasonic 27,5 2021-22 | AUTHOR Bicycle CA6600 2011 | - | - |
| Code | UA#42933200 | UA#42789401 | - | - |
| Model card | link | link | - | - |
| Size | 14", 16" | 480, 500, 520, 540, 560, 580 mm | - | - |
| Frame | triple butted hydroformed alloy 6061 27.5" | AUTHOR carbon monocoque | - | - |
| Front fork | RST F1RST 27.5 air, lock out (80 mm) | AUTHOR carbon monocoque | - | - |
| Head parts | AUTHOR Integrated 1.5" tapered | FSA Orbit C-40 1.5" taper | - | - |
| Chain Wheel | PROWHEEL 32 teeth 165 / 170 mm cranks | SHIMANO Ultegra 53-39 170 / 172.5 / 175 mm cranks | - | - |
| BBParts | PROWHEL BB unit | SHIMANO Ultegra BB unit | - | - |
| Rear derailleur | SHIMANO SLX | SHIMANO Ultegra | - | - |
| Shifters | SHIMANO SLX (11) | SHIMANO Ultegra (20) | - | - |
| Free wheel | SHIMANO M5100-11 11-51 (11) | SHIMANO CS-6700 12-25 (10) | - | - |
| Chain | KMC X11 | SHIMANO 6700 | - | - |
| Hubs | AUTHOR Xenon 32 holes | MAVIC Ksyrium Elite Wheel Set 18 / 20 holes | - | - |
| Brakes | TEKTRO Gemini disc hydraulic (6" rotors) | SHIMANO Ultegra | - | - |
| Brakes levers | TEKTRO Gemini WS | SHIMANO Ultegra | - | - |
| Rims | AUTHOR Xenon TRC 27.5 32 holes | - | - | - |
| Spokes | black stainless steel 2.0 mm | MAVIC Ksyrium Elite | - | - |
| Tires | CST B-Trail aramid 27.5" × 2.25" | PANARACER Extreme Evo 3 Kevlar 700 x 23c | - | - |
| Pedals | alloy | - | - | - |
| Handlebar | AUTHOR Flat Top bar 9° 620 / 640 mm | RITCHEY Road Pro Evo Curve 31.8 mm | - | - |
| Grips | AUTHOR kratton rubber | - | - | - |
| Stem | AUTHOR alloy | RITCHEY WCS | - | - |
| Seat post | AUTHOR alloy (31.6) | RITCHEY WCS 1B Carbon Road (31.6) | - | - |
| Seat clamp | AUTHOR (34.9) | AUTHOR (34.9) | - | - |
| Saddle | AUTHOR Champion Author Navigator | FIZIK Arione | - | - |
| Speed | 11 | 20 | - | - |
| Weight | 11,5 kg / 16" | 7.5 kg / 540 | - | - |
| Front derailleur | - | SHIMANO Ultegra (34.9) | - | - |
| Wheel set | - | MAVIC Ksyrium Elite Wheel Set 18 / 20 holes | - | - |
| Grips/Bar tapes | - | AUTHOR PU / silicon / gel | - | - |
