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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Airline 2021-22 | AUTHOR A-Ray 29 2019-20 | AUTHOR Opus 2018 | AUTHOR Ultrasonic 24 2019 |
| Code | UA#42938302 | UA#4291330220 | UA#42897702 | UA#42903801 |
| Model card | link | link | link | link |
| Size | 18", 20", 22" | 17.5", 19", 21" | 15', 17', 19', 21' | 12" |
| Frame | triple butted alloy 6061 29" | double butted alloy 6061 29" | alloy 6061 26' | triple butted hydroformed alloy 6061 24" |
| Front fork | RST Viv Air TnL air, lock out (80 mm) | ROCK SHOX Recon Gold RL Remote 29 15 Solo Air air, lock out 15 mm thru axle 1.5" tapered steerer (100 mm) | RST Capa T (80 mm) | alloy 6061 24" |
| Head parts | AUTHOR Integrated 1-1/8" | PRESTINE Integrated 1.5" tapered | PRESTINE Integrated 1-1/8' | AUTHOR Integrated 1.5" tapered |
| Chain Wheel | SHIMANO Deore 48-36-26 teeth 170 / 175 mm cranks | SHIMANO SLX-B2 (Boost) 36-26 teeth 170 / 175 mm cranks | PROWHEEL 42-34-24 teeth 170 mm cranks | LASCO 32 teeth 150 mm cranks |
| BBParts | SHIMANO BB-52 BB unit | SHIMANO BB-MT800 PF type | VP COMP cartridge | VP COMP cartridge |
| Front derailleur | SHIMANO Deore (31.8) | SHIMANO SLX | SHIMANO TY500 (31.8) | - |
| Rear derailleur | SHIMANO Deore | SHIMANO XT | SHIMANO TY300 | SHIMANO Alivio |
| Shifters | SHIMANO Deore (30) | SHIMANO SLX (22) | SHIMANO (21) | SHIMANO Alivio (9) |
| Free wheel | SHIMANO HG50-10 11-36 (10) | SHIMANO M7000-11 11-42 (11) | SHIMANO MF-TZ21 14-28 (7) | SHIMANO HG400-9 11-36 (9) |
| Chain | KMC X10 | SHIMANO HG601 | KMC Z51 | KMC Z9 |
| Hubs | AUTHOR Radon 32 holes | MAVIC XA 29 wheel set 24 holes 15 x 100 mm thru front axle boost 12 x 148 mm thru rear axle | QUANDO 32 holes | QUANDO 24 holes |
| Brakes | TEKTRO Gemini disc hydraulic (6" rotors) | SHIMANO Deore disc hydraulic (7" rotors) | TEKTRO V | TEKTRO V |
| Brakes levers | TEKTRO Gemini | SHIMANO Deore | SHIMANO | TEKTRO alloy |
| Rims | AUTHOR Xenon 29 32 holes | - | alloy 32 holes | alloy 24 holes |
| Spokes | black stainless steel 2.0 mm | MAVIC | steel | black stainless steel 2.0 mm |
| Tires | AUTHOR Speed Master 29" × 1.75" | VITTORIA Barzo kevlar 29" x 2.25" | CST Classic Venice 26' x 2.00' | KENDA Small Block Eight kevlar 24" x 1.95" |
| Pedals | AUTHOR alloy | - | resin | alloy |
| Handlebar | AUTHOR 15 mm 660 / 680 mm | RITCHEY MTN Comp 2x9D 9° 700 mm | steel 42 mm 620 / 640 mm | AUTHOR Flat Top bar 0 mm 600 mm |
| Grips | AUTHOR Microtech ErgoGrip | AUTHOR Pro Lock | AUTHOR high density foam | AUTHOR kratton rubber |
| Stem | AUTHOR alloy | RITCHEY Comp 4-Axis | ZOOM adjustable | AUTHOR alloy |
| Seat post | AUTHOR alloy (27.2) | RITCHEY Comp (31.6) | ZOOM suspension (27.2) | AUTHOR alloy (31.6) |
| Seat clamp | AUTHOR (31.8) | AUTHOR (34.9) | AUTHOR (31.8) | AUTHOR (34.9) |
| Saddle | AUTHOR Sphere Gel | PROLOGO Nago Evo X10 | AUTHOR King Sofa | AUTHOR Champion CR |
| Speed | 30 | 22 | 21 | 9 |
| Weight | 13,4 kg / 20" | 13,6kg / M" | 15,3 kg / 19' | 9,8kg / 12" |
| Shocker | - | ROCK SHOX Monarch RL HVI 184 / 44 mm (rear travel 100 mm) | - | - |
