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| Image |  |  |  | - |
|---|---|---|---|---|
| Product | AUTHOR Electra 2016 | Aura XR4 2023-24 | AUTHOR Solution 29 2014 | - |
| Code | UA#42868702 | UA#42951502 | UA#42822502 | - |
| Model card | link | link | link | - |
| Size | 17", 19" | 500, 520, 540, 560, 580 mm | 17", 19", 21" | - |
| Frame | alloy 6061 700c (L) | triple butted alloy 6061 | alloy 6061 29" | - |
| Front fork | SUNTOUR SF13-NVX-HE (63 mm) | AUTHOR carbon 1.5" tapered | RST Blaze 29 ML oil, lock out (100 mm) | - |
| Engine | SUNTOUR 250W | - | - | - |
| Battery | SANYO Li-lon 36V, 8.0Ah, 290Wh | - | - | - |
| Display | LCD | - | - | - |
| Head parts | PRESTINE Integrated 1" | PRESTINE Integrated 1.5" tapered | FSA Integrated 1-1/8" | - |
| Chain Wheel | SUNTOUR EBCW 42 teeth 170 mm cranks | FSA Gossamer Pro, 46-30 teeth, 172.5 / 175 mm cranks | SUNTOUR XCT-T312 42-32-22 teeth 170 / 175 mm cranks | - |
| BBParts | SUNTOUR EBCW | FSA BB-6000, BB unit | SUNTOUR XCM cartridge | - |
| Rear derailleur | SHIMANO Acera | SHIMANO Tiagra (20) | SHIMANO Acera | - |
| Shifters | SHIMANO Acera (8) | SHIMANO GRX 400 (20) | SHIMANO Altus (24) | - |
| Free wheel | SHIMANO HG31-8 11-32 (8) | SHIMANO HG500-10, 11-34 (10) | SHIMANO HG-31-8 11-32 (8) | - |
| Chain | SHIMANO HG-40 | KMC X10 | KMC Z72 | - |
| Hubs | SUNTOUR 36 holes QUANDO 36 holes | QUANDO Road Disc, 12 × 100 mm thru front axle, 32 holes | QUANDO Disc disc 32 holes | - |
| Brakes | TEKTRO 857AL | SHIMANO RS305, kotoučové mechanické (160 mm kotouče) | TEKTRO HDC 300 disc hydraulic (7" rotors) | - |
| Brakes levers | TEKTRO EL-520 | SHIMANO Tiagra | TEKTRO HDC 300 | - |
| Rims | AUTHOR Argon Cross 36 holes | JALCO SRD 21, 32 holes | AUTHOR Sphere 29 black 32 holes | - |
| Spokes | black stainless steel 2.0 mm | black stainless steel 2.0 mm | black steel | - |
| Tires | CST reflexive stripes 700 x 42c | PANARACER Gravel King SK Sport 700 × 38C (40-622) | AUTHOR Silk Road 29" x 2.10" | - |
| Pedals | AUTHOR Non Slip alloy | - | AUTHOR alloy / resin | - |
| Handlebar | KALLOY alloy 45 mm 620 mm | PROMAX 420 / 440 / 460 mm | AUTHOR Flatbar 0 mm 660 / 680 / 700 mm | - |
| Grips | AUTHOR ErgoGrip | - | AUTHOR high density foam | - |
| Stem | UNO adjustable | AUTHOR alloy | AUTHOR alloy | - |
| Seat post | UNO suspension (27.2) | AUTHOR alloy (27.2) | AUTHOR alloy (31.6) | - |
| Seat clamp | AUTHOR (31.8) | AUTHOR (31.8) | AUTHOR (34.9) | - |
| Saddle | AUTHOR Queen Sofa | AUTHOR Guru | AUTHOR Mega Top | - |
| Speed | 8 | 20 | 24 | - |
| Weight | 23.9 kg / 19" | 10,6 kg / 54 cm | 14,9 / 19" | - |
| Front derailleur | - | SHIMANO GRX 400 | SHIMANO M190 (34.9) | - |
| Tapes | - | AUTHOR suede / gel | - | - |
