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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Basic ASL 2014 | AUTHOR Energy 20 2019 | AUTHOR Ultrasonic 2015 | Compact 2023-24 |
| Code | UA#42823001 | UA#42902601 | UA#42831601 | UA#4294770225 |
| Model card | link | link | link | link |
| Size | 16", 18", 20" | 10" | 14" | 18", 20", 22" |
| Frame | alloy 6061 26" (ASL) | hi-ten 20" | triple butted alloy 6061 24" - hydroforming | alloy 6061 |
| Front fork | RST Gila TnL oil, lock out (80 mm) | hi-ten | alloy 6061 | RST Neon T (60 mm) |
| Head parts | AUTHOR Integrated 1-1/8" | VP COMP 1" | AUTHOR Integrated 1.5" tapered | VP COMP 1-1/8" |
| Chain Wheel | SUNTOUR XCR-T414 44-32-22 teeth 170 / 175 mm cranks | PROWHEEL 36 teeth 127 mm cranks | PROWHEEL Pioneer 42-32-22 teeth 152 mm cranks | PROWHEEL, 48-38-28 teeth, 170 mm cranks |
| BBParts | SUNTOUR XCM cartridge | VP COMP | VP COMP cartridge | VP COMP, cartridge |
| Front derailleur | SHIMANO Acera (34.9) | - | SHIMANO Acera (34.9) | SHIMANO TY510 (31.8) |
| Rear derailleur | SHIMANO Alivio | SHIMANO TY21 | SHIMANO Alivio | SHIMANO TY500 |
| Shifters | SHIMANO Acera (27) | SHIMANO Revoshift (6) | SHIMANO Acera (24) | SHIMANO (21) |
| Free wheel | SHIMANO HG-20-9 11-34 (9) | SHIMANO MF-TZ500 14-28 (6) | SHIMANO HG31-8 11-32 (8) | SHIMANO MF-TZ510-7, 14-28 (7) |
| Chain | SHIMANO HG-53 | KMC Z6 | KMC Z72 | KMC Z7 |
| Hubs | QUANDO 32 holes | steel 32 holes | QUANDO 32 holes | QUANDO, 36 holes |
| Brakes | TEKTRO 837AL | TEKTRO V | TEKTRO 837 | TEKTRO V |
| Brakes levers | SHIMANO Acera | TEKTRO plastic / alloy | TEKTRO alloy | SHIMANO |
| Rims | AUTHOR Xenon black 32 holes | alloy 32 holes | alloy 32 holes | alloy, 36 holes |
| Spokes | black steel | steel | black stainless steel 2.0 mm | steel |
| Tires | AUTHOR Trail Master 26" x 2.00" | 20" x 1.75" | KENDA kevlar 24" x 1.95" | AUTHOR Cross 700 × 38c |
| Pedals | AUTHOR alloy | resin | alloy | plastic |
| Handlebar | AUTHOR 30 mm 620 / 640 mm | steel 20 mm 540 mm | AUTHOR 25 mm 560 mm | steel, 20 mm, 660 mm |
| Grips | AUTHOR high density foam | AUTHOR kratton rubber | AUTHOR kratton rubber | AUTHOR high density foam |
| Stem | AUTHOR alloy | alloy | AUTHOR alloy | ZOOM alloy |
| Seat post | AUTHOR alloy (31.6) | steel (25.4) | AUTHOR carbon (31.6) | ZOOM alloy (27.2) |
| Seat clamp | AUTHOR (34.9) | AUTHOR (28.6) | AUTHOR (34.9) | AUTHOR (31.8) |
| Saddle | AUTHOR Sport Lady | AUTHOR Pilot | AUTHOR Mega Top Junior CR | AUTHOR Sphere |
| Speed | 27 | 6 | 24 | 21 |
| Weight | 13,1 kg / 18" | 10,9kg / 10" | 10.0 kg / 14" | 13,5 kg / 20" |
