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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Grand ASL 2019 | AUTHOR Solution 27,5 ASL 2021-22 | - | - |
| Code | UA#42909801 | UA#42934300 | - | - |
| Model card | link | link | - | - |
| Size | 15", 17", 19" | 14", 16", 18" | - | - |
| Frame | alloy 6061 29" (ASL) | alloy 6061 27.5" (ASL) | - | - |
| Front fork | RST Vita TnL oil, lock out (80 mm) | RST Blaze 27.5 ML, lock out (100 mm) | - | - |
| Head parts | AUTHOR Integrated 1-1/8" | PRESTINE Integrated 1-1/8" | - | - |
| Chain Wheel | SUNTOUR NCX 44-32-22 teeth 170 mm cranks | SHIMANO MT101 40-30-22 teeth 170 mm cranks | - | - |
| BBParts | SUNTOUR XCT cartridge | SHIMANO BB-UN101 cartridge | - | - |
| Front derailleur | SHIMANO Altus (31.8) | SHIMANO Altus (34.9) | - | - |
| Rear derailleur | SHIMANO Acera | SHIMANO Alivio | - | - |
| Shifters | SHIMANO Acera (27) | SHIMANO Alivio (27) | - | - |
| Free wheel | SHIMANO HG400-9 11-34 (9) | SHIMANO HG200-9 11-36 (9) | - | - |
| Chain | KMC Z9 | KMC Z9 | - | - |
| Hubs | QUANDO Disc 32 holes | QUANDO Disc 32 holes | - | - |
| Brakes | TEKTRO Vela disc hydraulic (6" rotors) | TEKTRO Auriga disc hydraulic (6" rotors) | - | - |
| Brakes levers | TEKTRO Vela | TEKTRO Auriga WS | - | - |
| Rims | AUTHOR Xenon 29 32 holes | AUTHOR Xenon 27.5 32 holes | - | - |
| Spokes | black stainless steel 2.0 mm | black steel | - | - |
| Tires | AUTHOR Speed Master 29"x 1.75" | AUTHOR Speed Master 27.5" × 2.00" | - | - |
| Pedals | AUTHOR Non Slip alloy | resin | - | - |
| Handlebar | AUTHOR 25 mm 660 / 680 mm | AUTHOR 8° 640 / 660 mm | - | - |
| Grips | AUTHOR ErgoGrip Lock | AUTHOR high density foam | - | - |
| Stem | UNO adjustable | AUTHOR alloy | - | - |
| Seat post | AUTHOR alloy (27.2) | AUTHOR alloy (31.6) | - | - |
| Seat clamp | AUTHOR (31.8) | AUTHOR (34.9) | - | - |
| Saddle | AUTHOR Area Gel | AUTHOR Fenix | - | - |
| Speed | 27 | 27 | - | - |
| Weight | 14,6kg / 17" | 14,2 kg / 16" | - | - |
