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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Grand ASL 2019 | AUTHOR Aura XR6 2021-22 | - | - |
| Code | UA#42909801 | UA#42941502 | - | - |
| Model card | link | link | - | - |
| Size | 15", 17", 19" | 500, 520, 540, 560, 580 mm | - | - |
| Frame | alloy 6061 29" (ASL) | triple butted alloy 6061 | - | - |
| Front fork | RST Vita TnL oil, lock out (80 mm) | AUTHOR carbon 1.5" tapered | - | - |
| Head parts | AUTHOR Integrated 1-1/8" | PRESTINE Integrated 1.5" tapered | - | - |
| Chain Wheel | SUNTOUR NCX 44-32-22 teeth 170 mm cranks | SHIMANO GRX 600 46-30 teeth 172.5 / 175 mm cranks | - | - |
| BBParts | SUNTOUR XCT cartridge | SHIMANO BB-RS500 BB unit | - | - |
| Front derailleur | SHIMANO Altus (31.8) | SHIMANO GRX 810 | - | - |
| Rear derailleur | SHIMANO Acera | SHIMANO GRX 810 | - | - |
| Shifters | SHIMANO Acera (27) | SHIMANO GRX 600 (22) | - | - |
| Free wheel | SHIMANO HG400-9 11-34 (9) | SHIMANO HG700-11 11-34 (11) | - | - |
| Chain | KMC Z9 | KMC X11 EL | - | - |
| Hubs | QUANDO Disc 32 holes | MAVIC Allroad Disc CL UST wheel set 20 holes 12 × 100 mm thru front axle 12 × 142 mm rear thru axle | - | - |
| Brakes | TEKTRO Vela disc hydraulic (6" rotors) | SHIMANO GRX 400 disc hydraulic (160 mm rotors) | - | - |
| Brakes levers | TEKTRO Vela | SHIMANO GRX 600 | - | - |
| Rims | AUTHOR Xenon 29 32 holes | - | - | - |
| Spokes | black stainless steel 2.0 mm | MAVIC | - | - |
| Tires | AUTHOR Speed Master 29"x 1.75" | PANARACER Gravel King SK aramid 700 × 38c | - | - |
| Pedals | AUTHOR Non Slip alloy | - | - | - |
| Handlebar | AUTHOR 25 mm 660 / 680 mm | RITCHEY Road ErgoMax 420 / 440 / 460 mm | - | - |
| Grips | AUTHOR ErgoGrip Lock | - | - | - |
| Stem | UNO adjustable | RITCHEY Comp 4-Axis | - | - |
| Seat post | AUTHOR alloy (27.2) | RITCHEY 2B Comp (27.2) | - | - |
| Seat clamp | AUTHOR (31.8) | AUTHOR (31.8) | - | - |
| Saddle | AUTHOR Area Gel | AUTHOR Guru CR | - | - |
| Speed | 27 | 22 | - | - |
| Weight | 14,6kg / 17" | - | - | - |
| Wheel set | - | MAVIC Allroad Disc CL UST wheel set 20 holes | - | - |
| Tapes | - | AUTHOR microfiber / gel | - | - |
