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| Image |  |  |  | - |
|---|---|---|---|---|
| Product | AUTHOR Spectra 2013 | AUTHOR Record 16 2019 | AUTHOR Airline 2021-22 | - |
| Code | UA#42812101 | UA#42902501 | UA#42938302 | - |
| Model card | link | link | link | - |
| Size | 16", 18" | 9" | 18", 20", 22" | - |
| Frame | alloy 6061 26" (L) | alloy 6061 16" | triple butted alloy 6061 29" | - |
| Front fork | RST Capa T (80 mm) | alloy | RST Viv Air TnL air, lock out (80 mm) | - |
| Head parts | FSA Integrated 1-1/8" | PRESTINE 1-1/8" | AUTHOR Integrated 1-1/8" | - |
| Chain Wheel | PROWHEEL 48-38-28 teeth 170 mm cranks | LASCO 32 teeth 100 mm cranks | SHIMANO Deore 48-36-26 teeth 170 / 175 mm cranks | - |
| BBParts | VP COMP. cartridge | VP COMP | SHIMANO BB-52 BB unit | - |
| Front derailleur | SHIMANO TX51 (34.9) | - | SHIMANO Deore (31.8) | - |
| Rear derailleur | SHIMANO TX35 | - | SHIMANO Deore | - |
| Shifters | SHIMANO Altus (21) | - | SHIMANO Deore (30) | - |
| Free wheel | SHIMANO MF-TZ21 14-28 (7) | coasterhub 16T | SHIMANO HG50-10 11-36 (10) | - |
| Chain | KMC Z51 | KMC Z6 | KMC X10 | - |
| Hubs | QUANDO 36 holes | rear coasterhub 20 holes | AUTHOR Radon 32 holes | - |
| Brakes | TEKTRO 837AL | TEKTRO V / coasterhub | TEKTRO Gemini disc hydraulic (6" rotors) | - |
| Brakes levers | SHIMANO Altus | TEKTRO plastic / alloy | TEKTRO Gemini | - |
| Rims | alloy 36 holes | alloy 16 / 20 holes | AUTHOR Xenon 29 32 holes | - |
| Spokes | steel | black steel | black stainless steel 2.0 mm | - |
| Tires | AUTHOR Spanker 26" x 1.95" | KENDA Small Block Eight 16" x 1.50" | AUTHOR Speed Master 29" × 1.75" | - |
| Pedals | resin | resin | AUTHOR alloy | - |
| Handlebar | KALIN steel 20 mm 620 mm | alloy 25 mm 520 mm | AUTHOR 15 mm 660 / 680 mm | - |
| Grips | AUTHOR high density foam | AUTHOR kratton rubber | AUTHOR Microtech ErgoGrip | - |
| Stem | ZOOM alloy | alloy | AUTHOR alloy | - |
| Seat post | ZOOM alloy (31.6) | alloy (27.2) | AUTHOR alloy (27.2) | - |
| Seat clamp | AUTHOR (34.9) | AUTHOR (31.8) | AUTHOR (31.8) | - |
| Saddle | AUTHOR | AUTHOR Record | AUTHOR Sphere Gel | - |
| Speed | 21 | 1 | 30 | - |
| Weight | 13,8 Kg / 18" | 6,5kg / 9" | 13,4 kg / 20" | - |
