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| Image |  |  |  | - |
|---|---|---|---|---|
| Product | AUTHOR CA 66 E 2013 | AUTHOR Spectra 2016 | AUTHOR Elite 27,5 2021-22 | - |
| Code | UA#42819101 | UA#42862401 | UA#42940102 | - |
| Model card | link | link | link | - |
| Size | 48, 50, 52, 54, 56, 58 cm | 16", 18" | 17", 19" | - |
| Frame | AUTHOR B carbon monocoque | alloy 6061 26" (L) | alloyl 6061 27.5+" suspension (integrated battery), air shock FOX DPS Perfomance Float 205 / 57.5 mm (rear travel 140 mm) | - |
| Front fork | AUTHOR carbon monocoque | RST Capa 26 T (80 mm) | FOX 34 Rhythm Float air, lock out 15 mm thru axle, 1.5" tapered column (140 mm) | - |
| Head parts | FSA Orbit C-40 1.5" tapered | PRESTINE Integrated 1-1/8" | AUTHOR Integrated 1,5" | - |
| Chain Wheel | SHIMANO Ultegra 53-39 teeth 170 / 172.5 / 175 mm cranks | PROWHEEL 42-34-24 teeth 170 mm cranks | SHIMANO Steps E-M600 38 teeth 170 / 175 mm cranks | - |
| BBParts | SHIMANO Ultegra BB unit | VP COMP cartridge | SHIMANO Steps | - |
| Front derailleur | SHIMANO Ultegra Di2 (34.9) | SHIMANO TX50 (34.9) | - | - |
| Rear derailleur | SHIMANO Ultegra Di2 | SHIMANO TX55 | SHIMANO Deore | - |
| Shifters | SHIMANO Ultegra Di2 (20) | SHIMANO Altus (21) | SHIMANO Deore (11) | - |
| Free wheel | SHIMANO CS-6700 12-25 (10) | SHIMANO MF-TZ21 14-28 (7) | SHIMANO CS-M5100-11 11-51 (11) | - |
| Chain | SHIMANO 6701 | KMC Z51 | KMC e11T | - |
| Hubs | MAVIC Ksyrium Elite Wheel Set 18 / 20 holes | QUANDO 36 holes | QUANDO 15 × 110 mm thru front axle 12 × 148 mm thru rear axle 32 holes | - |
| Brakes | SHIMANO Ultegra | TEKTRO 837 | TRP Slate T4 disc hydraulic (7" rotors) | - |
| Brakes levers | SHIMANO Ultegra | SHIMANO Altus | TRP Slate T4 | - |
| Rims | MAVIC Ksyrium Elite Wheel Set 18 / 20 holes | alloy 36 holes | AUTHOR E-Krypton 27.5 32 holes | - |
| Tires | PANARACER Race Type A Kevlar 700 x 23c | AUTHOR Speed Master 26" x 2.00" | MAXXIS Recon aramid 27.5" × 2.60" | - |
| Handlebar | RITCHEY WCS Road Carbon Curve 420 / 440 mm | steel 20 mm 640 mm | RITCHEY MTN Rizer Trail WCS 15 mm 760 / 780 mm | - |
| Stem | RITCHEY WCS C-260 | ZOOM alloy | AUTHOR alloy | - |
| Seat post | RITCHEY WCS 1B Carbon Road (31.6) | ZOOM alloy (31.6) | KIND SHOCK RAGEi suspension travel 125 mm / 150 mm (30.9) | - |
| Seat clamp | AUTHOR (34.9) | AUTHOR (34.9) | AUTHOR (34.9) | - |
| Saddle | FIZIK Antares | AUTHOR Noble | AUTHOR E-Mode | - |
| Speed | 20 | 21 | 11 | - |
| Weight | 7,4 Kg / 54 cm | 13.9 kg / 18" | 24,3 kg / 19" | - |
| Spokes | - | steel | black stainless steel 2.2 mm | - |
| Pedals | - | resin | HT platform | - |
| Grips | - | AUTHOR high density foam | AUTHOR Pro Lock | - |
| Engine | - | - | SHIMANO Steps E-P800, 250 W | - |
| Battery | - | - | SHIMANO E-8036 Li-Ion, 36 V, 17,5 Ah, 630 Wh | - |
| Display | - | - | SHIMANO Steps E-P8000, LCD | - |
