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| Image |  |  |  | - |
|---|---|---|---|---|
| Product | AUTHOR Aura XR3 2021-22 | Frame Airline 2023 | Electra 2025 | - |
| Code | UA#42941202 | UA#39902202 | UA#42961802 | - |
| Model card | link | link | link | - |
| Size | 500, 520, 540, 560, 580 mm | 18", 20", 22" | 17", 19" | - |
| Frame | triple butted alloy 6061 | triple butted alloy 6061 Cross 29" | alloy 6061 700c (L) | - |
| Front fork | AUTHOR alloy 1.5" tapered | - | RST Nova TnL, lock out (60 mm) | - |
| Head parts | PRESTINE Integrated 1.5" tapered | - | PRESTINE Integrated 1-1/8" | - |
| Chain Wheel | PROWHEEL RPL 48-32 teeth 172.5 / 175 mm cranks | - | SHIMANO Steps E-5010, 38 teeth, 170 mm cranks | - |
| BBParts | SHIMANO BB-UN300 zapouzdřené | - | SHIMANO Steps | - |
| Front derailleur | SHIMANO Sora | - | - | - |
| Rear derailleur | SHIMANO Sora | - | SHIMANO Cues 4000 | - |
| Shifters | SHIMANO Sora (18) | - | SHIMANO Cues 4000 (9) | - |
| Free wheel | SHIMANO HG400-9 11-32 (9) | - | SHIMANO CS-LG300-9, 11-41 (9) | - |
| Chain | SHIMANO HG53 | - | KMC eGlide | - |
| Hubs | QUANDO Road Disc 12 × 100 mm thru front axle 32 holes | - | AUTHOR Radon, 36 holes | - |
| Brakes | SHIMANO RS305 disc mechanical (160 mm rotors) | - | TEKTRO HD-T275, disc hydraulic (6" rotors) | - |
| Brakes levers | SHIMANO Sora | - | TEKTRO HD-T275 | - |
| Rims | JALCO SRD 21 32 holes | - | AUTHOR Radon Cross, 36 holes | - |
| Spokes | black stainless steel 2.0 mm | - | black stainless steel 2.0 mm | - |
| Tires | PANARACER Gravel King SK Sport 700 × 38c | - | CST reflexive stripes 700 × 40c | - |
| Handlebar | PROMAX 420 / 440 / 460 mm | - | AUTHOR, 25 mm, 640 mm | - |
| Grips/Bar tapes | AUTHOR suede / gel | - | - | - |
| Stem | AUTHOR | - | UNO adjustable | - |
| Seat post | AUTHOR (27.2) | - | UNO suspension (27.2) | - |
| Seat clamp | AUTHOR (31.8) | - | AUTHOR (34.9) | - |
| Saddle | AUTHOR Guru | - | AUTHOR Queen Sofa | - |
| Speed | 18 | - | 9 | - |
| Weight | 11,1 kg / 54 cm | - | 23,2 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 | - |
| Pedals | - | - | AUTHOR Non Slip alloy | - |
| Grips | - | - | AUTHOR Pro Lock | - |
