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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Bicycle Basic 2010 | Enigma 2025 | Aura XR4 2023-24 | AUTHOR Bicycle Kinetic ASL 2011 |
| Code | UA#42772401 | UA#4296170223 | UA#42951502 | UA#42784101 |
| Model card | link | link | link | link |
| Size | 15", 17", 19", 21", 23" | 17", 19" | 500, 520, 540, 560, 580 mm | 16", 18", 20" |
| Frame | alloy 6061 26" | double butted hydroformed alloy 6061 29" (9) (integrated battery) | triple butted alloy 6061 | double butted alloy 6061 26" (ASL) |
| Front fork | RST Gila TnL oil, lock out (100 mm) | RST ViV Air TnL, air, lock out 1.5" tapered steerer (80 mm) | AUTHOR carbon 1.5" tapered | RST Gila TnL oil, lock out (80 mm) |
| Head parts | PRESTINE Integrated 1-1/8" (ahead) | PRESTINE Integrated 1.5" tapered | PRESTINE Integrated 1.5" tapered | AUTHOR Integrated 1-1/8" |
| Chain Wheel | SUNTOUR XCT-V2-302 42-32-22 170 / 175 mm cranks | SHIMANO Steps E-6100, 38 teeth, 170 / 175 mm cranks | FSA Gossamer Pro, 46-30 teeth, 172.5 / 175 mm cranks | SUNTOUR XCR-T414 44-32-22 170 / 175 mm cranks |
| BBParts | SUNTOUR XCM cartridge | SHIMANO Steps | FSA BB-6000, BB unit | SUNTOUR XCM cartridge |
| Front derailleur | SHIMANO Acera (34.9) | - | SHIMANO GRX 400 | SHIMANO Alivio (34.9) |
| Rear derailleur | SHIMANO Alivio | SHIMANO Cues 6000 | SHIMANO Tiagra (20) | SHIMANO Alivio |
| Shifters | SHIMANO Alivio EZ (24) | SHIMANO Cues 6000 (10) | SHIMANO GRX 400 (20) | SHIMANO Alivio (27) |
| Free wheel | SHIMANO HG-30-8I 11-32 | SHIMANO CS-LG400-10, 11-48 (10) | SHIMANO HG500-10, 11-34 (10) | SHIMANO HG-30-9 11-32 (9) |
| Chain | SHIMANO HG-40 | KMC eGlide | KMC X10 | SHIMANO HG-53 |
| Hubs | QUANDO 32 holes | AUTHOR Xenon, 32 holes | QUANDO Road Disc, 12 × 100 mm thru front axle, 32 holes | AUTHOR 32 holes |
| Brakes | TEKTRO 37AL | TEKTRO HD-M530, disc hydraulic (7" rotors) | SHIMANO RS305, kotoučové mechanické (160 mm kotouče) | TEKTRO M530 |
| Brakes levers | SHIMANO Alivio | TEKTRO HD-M530 | SHIMANO Tiagra | SHIMANO Alivio |
| Rims | JALCO ATB 220 black doublewall 32 holes | AUTHOR Xenon 29, 32 holes | JALCO SRD 21, 32 holes | ALEX ACE 24 black doublewall 32 holes |
| Spokes | black steel | black stainless steel 2.2 mm | black stainless steel 2.0 mm | black stainless steel 2.0 mm |
| Tires | MAXXIS Copper Head 26" x 2.00" | AUTHOR Speed Master 29" × 1.75" | PANARACER Gravel King SK Sport 700 × 38C (40-622) | AUTHOR PANARACER Trail Master 26" x 2.00" |
| Pedals | AUTHOR alloy / resin | AUTHOR Non Slip alloy | - | AUTHOR alloy |
| Handlebar | KALLOY 15 mm riser 31.8 mm | AUTHOR, 25 mm, 680 / 700 mm | PROMAX 420 / 440 / 460 mm | AUTHOR 25 mm 31.8 mm |
| Grips | AUTHOR high density foam | AUTHOR Pro Lock | - | AUTHOR GripLock foam |
| Stem | KALLOY alloy | AUTHOR alloy | AUTHOR alloy | AUTHOR alloy |
| Seat post | KALLOY alloy (31.6) | AUTHOR alloy (27.2) | AUTHOR alloy (27.2) | AUTHOR alloy (31.6) |
| Seat clamp | AUTHOR (34.9) | AUTHOR (31.8) | AUTHOR (31.8) | AUTHOR (34.9) |
| Saddle | AUTHOR Mega Top | AUTHOR Area Gel | AUTHOR Guru | AUTHOR Sport Lady |
| Speed | 24 | 10 | 20 | 27 |
| Weight | 13,60 kg / 19" | 21,8 kg / 17" | 10,6 kg / 54 cm | 12.9 kg / 18" |
| Engine | - | SHIMANO Steps E-6100, 250 W | - | - |
| Battery | - | SHIMANO E-8035 Li-Ion, 36 V, 14 Ah, 504 Wh | - | - |
| Display | - | SHIMANO Steps E-7000, LCD | - | - |
| Grips/Bar tapes | - | - | AUTHOR suede / gel | - |
