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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Solution 2012 | AUTHOR Essence 2021-22 | - | - |
| Code | UA#42802201 | UA#42940302 | - | - |
| Model card | link | link | - | - |
| Size | 15", 17", 19", 21", 23" | 17", 19" | - | - |
| Frame | alloy 6061 26" | double butted hydroformed alloy 6061 29" (L) | - | - |
| Front fork | RST Gila ML mechanical lock out (100 mm) | RST ViV Air TnL air, lock out (80 mm) | - | - |
| Head parts | FSA Integrated 1-1/8" | AUTHOR Integrated 1-1/8" | - | - |
| Chain Wheel | SUNTOUR XCT-V2-302 42-32-22 teeth 170 / 175 mm cranks | SHIMANO Steps E-5010 38 teeth 170 / 175 mm cranks | - | - |
| BBParts | SUNTOUR XCM cartridge | SHIMANO Steps | - | - |
| Front derailleur | SHIMANO M190 (34.9) | - | - | - |
| Rear derailleur | SHIMANO Acera | SHIMANO Alivio | - | - |
| Shifters | SHIMANO Altus (24) | SHIMANO Alivio (9) | - | - |
| Free wheel | SHIMANO HG-31-8 11-32 (8) | SHIMANO HG200-9 11-36 (9) | - | - |
| Chain | KMC Z72 | KMC e9T | - | - |
| Hubs | QUANDO 32 holes | AUTHOR Radon 32 holes | - | - |
| Brakes | TEKTRO 837AL | TEKTRO Gemini disc hydraulic (7" rotors) | - | - |
| Brakes levers | SHIMANO Altus | TEKTRO Gemini WS | - | - |
| Rims | AUTHOR Xenon 32 holes | AUTHOR Xenon 29 32 holes | - | - |
| Spokes | steel | black stainless steel 2.2 mm | - | - |
| Tires | AUTHOR Spanker 26" x 1.95" | VITTORIA Barzo 29" × 2.10" | - | - |
| Pedals | AUTHOR alloy / resin | AUTHOR Non Slip alloy | - | - |
| Handlebar | KALIN steel 20 mm 620 / 640 mm | AUTHOR 15 mm 660 / 680 mm | - | - |
| Grips | AUTHOR high density foam | AUTHOR Pro Lock | - | - |
| Stem | ZOOM alloy | AUTHOR alloy | - | - |
| Seat post | ZOOM alloy (31.6) | AUTHOR alloy (27.2) | - | - |
| Seat clamp | AUTHOR (34.9) | AUTHOR (31.8) | - | - |
| Saddle | AUTHOR Mega Top | AUTHOR Area Gel | - | - |
| Speed | 24 | 9 | - | - |
| Weight | 13,7 Kg / 19" | 20,7 kg / 17" | - | - |
| Engine | - | SHIMANO Steps E-5000, 250 W | - | - |
| Battery | - | SHIMANO E-8010 Li-Ion, 36 V, 14 Ah, 504 Wh | - | - |
| Display | - | SHIMANO Steps E-6100, LCD | - | - |
