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| Image |  |  |  | - |
|---|---|---|---|---|
| Product | AUTHOR Airline 2020 | AUTHOR Bello 2014 | AUTHOR Aura XR3 2019 | - |
| Code | UA#42927502 | UA#42820401 | UA#42912202 | - |
| Model card | link | link | link | - |
| Size | 18", 20", 22" | 9" | 480, 500, 520, 540, 560, 580 mm | - |
| Frame | triple butted alloy 6061 29" | alloy 6061 16" | triple butted alloy 6061 | - |
| Front fork | RST Vita TnL oil, lock out (80 mm) | hi-ten | AUTHOR alloy 1.5" tapered | - |
| Head parts | AUTHOR Integrated 1-1/8" | VP COMP. 1" | PRESTINE Integrated 1.5" tapered | - |
| Chain Wheel | SHIMANO Deore 48-36-26 teeth 170 / 175 mm cranks | PROWHEEL 32 teeth 102 mm cranks | PROWHEEL Ounce Compact 50-34 teeth 170 / 172.5 / 175 mm cranks | - |
| BBParts | SHIMANO BB-52 BB unit | VP COMP. | SHIMANO BB-UN26 cartridge | - |
| Front derailleur | SHIMANO Deore (31.8) | - | SHIMANO Sora | - |
| Rear derailleur | SHIMANO Deore | - | SHIMANO Sora | - |
| Shifters | SHIMANO Deore (30) | - | SHIMANO Sora (18) | - |
| Free wheel | SHIMANO HG50-10 11-36 (10) | coasterhub 16T | SHIMANO HG400-9 11-32 (9) | - |
| Chain | KMC X10 | KMC Z33 | SHIMANO HG53 | - |
| Hubs | AUTHOR Radon 32 holes | rear coasterhub 28 holes | QUANDO Road Disc 12 x 100 mm thru front axle 32 holes | - |
| Brakes | TEKTRO Gemini disc hydraulic (6" rotors) | TEKTRO 855AL coasterhub | REVER MCX2 disc mechanical (160 mm rotors) | - |
| Brakes levers | TEKTRO Gemini | TEKTRO plastic / alloy | SHIMANO Sora | - |
| Rims | AUTHOR Xenon 29 32 holes | alloy 28 holes | JALCO CR25D 32 holes | - |
| Spokes | stainless steel hi-ten 2.0 mm black | steel | black stainless steel 2.0 mm | - |
| Tires | AUTHOR Speed Master Kevlar 29" x 1.75" | 16" x 1.50" | RITCHEY Cross Shield 700 x 35c | - |
| Pedals | AUTHOR alloy | resin | - | - |
| Handlebar | AUTHOR 15 mm 660 / 680 mm | KALIN steel 100 mm 500 mm | PROMAX 420 / 440 / 460 mm | - |
| Grips | AUTHOR Microtech ErgoGrip | AUTHOR kratton rubber | - | - |
| Stem | AUTHOR alloy | KALIN steel | AUTHOR | - |
| Seat post | AUTHOR alloy (27.2) | alloy (27.2) | AUTHOR (27.2) | - |
| Seat clamp | AUTHOR (31.8) | alloy (31.8) | AUTHOR (31.8) | - |
| Saddle | AUTHOR Sphere Gel | AUTHOR Bello | AUTHOR Aura | - |
| Speed | 30 | 1 | 18 | - |
| Weight | 12,9 kg /20" | 8,1 kg / 9" | 10,9kg / 54" | - |
| Grips/Bar tapes | - | - | AUTHOR suede / gel | - |
