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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Spirit 2013 | AUTHOR Aura XR3 2019 | - | - |
| Code | UA#42813201 | UA#42912202 | - | - |
| Model card | link | link | - | - |
| Size | 15", 17", 19", 21", 23" | 480, 500, 520, 540, 560, 580 mm | - | - |
| Frame | alloy 6061 26" | triple butted alloy 6061 | - | - |
| Front fork | RST Aerial 30 Air air, lock out (100 mm) | AUTHOR alloy 1.5" tapered | - | - |
| Head parts | FSA Integrated 1-1/8" | PRESTINE Integrated 1.5" tapered | - | - |
| Chain Wheel | SUNTOUR XCM-T414 44-32-22 teeth 170 / 175 mm cranks | PROWHEEL Ounce Compact 50-34 teeth 170 / 172.5 / 175 mm cranks | - | - |
| BBParts | SUNTOUR XCM cartridge | SHIMANO BB-UN26 cartridge | - | - |
| Front derailleur | SHIMANO Acera (34.9) | SHIMANO Sora | - | - |
| Rear derailleur | SHIMANO Alivio | SHIMANO Sora | - | - |
| Shifters | SHIMANO Alivio (27) | SHIMANO Sora (18) | - | - |
| Free wheel | SHIMANO HG-30-9 11-32 (9) | SHIMANO HG400-9 11-32 (9) | - | - |
| Chain | SHIMANO HG-53 | SHIMANO HG53 | - | - |
| Hubs | QUANDO Disc 32 holes | QUANDO Road Disc 12 x 100 mm thru front axle 32 holes | - | - |
| Brakes | TEKTRO HDC 300 WH disc hydraulic (6" rotors) | REVER MCX2 disc mechanical (160 mm rotors) | - | - |
| Brakes levers | TEKTRO HDC 300 WH | SHIMANO Sora | - | - |
| Rims | AUTHOR Sphere black 32 holes | JALCO CR25D 32 holes | - | - |
| Spokes | black steel | black stainless steel 2.0 mm | - | - |
| Tires | AUTHOR Trail Master 26" x 2.00" | RITCHEY Cross Shield 700 x 35c | - | - |
| Pedals | AUTHOR alloy | - | - | - |
| Handlebar | KALLOY 15 mm 620 / 640 mm | PROMAX 420 / 440 / 460 mm | - | - |
| Grips | AUTHOR high density foam | - | - | - |
| Stem | KALLOY alloy | AUTHOR | - | - |
| Seat post | KALLOY alloy (31.6) | AUTHOR (27.2) | - | - |
| Seat clamp | AUTHOR (34.9) | AUTHOR (31.8) | - | - |
| Saddle | AUTHOR Mega Top | AUTHOR Aura | - | - |
| Speed | 27 | 18 | - | - |
| Weight | 13,6 Kg / 19" | 10,9kg / 54" | - | - |
| Grips/Bar tapes | - | AUTHOR suede / gel | - | - |
