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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR A 44 2013 | AUTHOR Solution 2018 | - | - |
| Code | UA#42818701 | UA#42893001 | - | - |
| Model card | link | link | - | - |
| Size | 48, 50, 52, 54, 56, 58 cm | 15', 17', 19', 21' | - | - |
| Frame | triple butted alloy 6061 | alloy 6061 27.5' | - | - |
| Front fork | AUTHOR carbon monocoque | RST Gila 27.5 ML lock out (100 mm) | - | - |
| Head parts | PRESTINE Integrated 1-1/8" | PRESTINE Integrated 1-1/8' | - | - |
| Chain Wheel | FSA Omega Compact MegaExo 50-34 teeth 170 / 172.5 / 175 mm cranks | SUNTOUR XCM 40-30-22 teeth 170 / 175 mm cranks | - | - |
| BBParts | FSA MegaExo | SUNTOUR XCT cartridge | - | - |
| Front derailleur | SHIMANO Sora (31.8) | SHIMANO Altus (34.9) | - | - |
| Rear derailleur | SHIMANO Sora | SHIMANO Altus | - | - |
| Shifters | SHIMANO Sora (18) | SHIMANO Altus (27) | - | - |
| Free wheel | SHIMANO HG-50-9 12-25 (9) | SHIMANO HG200-9 11-34 (9) | - | - |
| Chain | SHIMANO HG-73 | KMC Z99 | - | - |
| Hubs | QUANDO Road 32 holes | QUANDO Disc 32 holes | - | - |
| Brakes | TEKTRO R325 | TEKTRO Auriga disc hydraulic (6' rotors) | - | - |
| Brakes levers | SHIMANO Sora | TEKTRO Auriga | - | - |
| Rims | JALCO DRX 5000 black 32 holes | AUTHOR Xenon 27.5 32 holes | - | - |
| Spokes | black stainless steel 1.8 mm | black steel | - | - |
| Tires | 700 x 25c | AUTHOR Rocket 27.5' x 2.10' | - | - |
| Handlebar | RITCHEY Logic II Comp Road 420 / 440 mm | AUTHOR 8° 660 / 680 mm | - | - |
| Stem | RITCHEY Comp 4-Axis | AUTHOR alloy | - | - |
| Seat post | RITCHEY Road (27.2) | AUTHOR alloy (31.6) | - | - |
| Seat clamp | AUTHOR (31.8) | AUTHOR (34.9) | - | - |
| Saddle | AUTHOR Navigator CrMo | AUTHOR Courier | - | - |
| Speed | 18 | 27 | - | - |
| Weight | 9,3 Kg / 54 cm | 14,2 kg / 19' | - | - |
| Pedals | - | resin | - | - |
| Grips | - | AUTHOR kratton rubber | - | - |
