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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Spirit 29 2021-22 | AUTHOR Bicycle A3300 2010 | - | - |
| Code | UA#42935202 | UA#42777701 | - | - |
| Model card | link | link | - | - |
| Size | 17", 19", 21" | 480, 500, 520, 540, 560, 580 mm | - | - |
| Frame | hydroformed alloy 6061 29" | triple butted alloy 6061 | - | - |
| Front fork | RST Aerial 29 TRL air, remote lock out (100 mm) | AUTHOR carbon monocoque | - | - |
| Head parts | AUTHOR Integrated 1.5" tapered | PRESTINE Integrated 1-1/8" (ahead) | - | - |
| Chain Wheel | SHIMANO MT210-2 36-22 teeth 170 / 175 mm cranks | PROWHEEL Ounce 50-34 170 / 172.5 / 175 mm cranks | - | - |
| BBParts | SHIMANO BB-MT500 BB unit | VP cartridge | - | - |
| Front derailleur | SHIMANO Alivio (34.9) | SHIMANO Sora (31.8) | - | - |
| Rear derailleur | SHIMANO Alivio | SHIMANO Sora | - | - |
| Shifters | SHIMANO Alivio (18) | SHIMANO Sora (18) | - | - |
| Free wheel | SHIMANO HG400-9 11-36 (9) | SHIMANO CS-HG-50-9 12-25 | - | - |
| Chain | KMC Z9 | SHIMANO CN-HG-73 | - | - |
| Hubs | QUANDO Disc 32 holes | QUANDO Road 32 holes | - | - |
| Brakes | TEKTRO Auriga disc hydraulic (7" rotors) | TEKTRO R320 | - | - |
| Brakes levers | TEKTRO Auriga | SHIMANO Sora | - | - |
| Rims | AUTHOR Xenon TRC 29 32 holes | JALCO DRX 5000 black 32 holes | - | - |
| Spokes | black steel | black stainless steel 1.8 mm | - | - |
| Tires | VITTORIA Barzo 29" × 2.10" | 700 x 25c | - | - |
| Pedals | AUTHOR alloy | - | - | - |
| Handlebar | AUTHOR Flatbar 9° 700 / 720 mm | KALLOY alloy | - | - |
| Grips | AUTHOR Pro Lock | - | - | - |
| Stem | AUTHOR alloy | UNO alloy | - | - |
| Seat post | AUTHOR alloy (31.6) | UNO alloy (27.2) | - | - |
| Seat clamp | AUTHOR (34.9) | AUTHOR (31.8) | - | - |
| Saddle | AUTHOR Navigator | AUTHOR Super Sport | - | - |
| Speed | 18 | 18 | - | - |
| Weight | 14,2 kg / 19" | 9,60 kg / 540 | - | - |
| Grips/Bar tapes | - | AUTHOR PU / foam / gel | - | - |
