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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Ultrasonic 24 2019 | AUTHOR Cosmic 2013 | AUTHOR Enigma 2012 | AUTHOR A-Matrix 24 2019 |
| Code | UA#42903801 | UA#42810601 | UA#42807101 | UA#42903201 |
| Model card | link | link | link | link |
| Size | 12" | 10" | 17", 19" | 12.5" |
| Frame | triple butted hydroformed alloy 6061 24" | alloy 7005 20" | double butted alloy 6061 700c (L) | alloy 6061 24" |
| Front fork | alloy 6061 24" | cromoly | RST Vita TnL oil, lock out (60 mm) | RST Capa T 24 (50 mm) |
| Head parts | AUTHOR Integrated 1.5" tapered | VP COMP. 1" | AUTHOR Integrated 1-1/8" | PRESTINE 1-1/8" |
| Chain Wheel | LASCO 32 teeth 150 mm cranks | PROWHEEL 36 teeth 127 mm cranks | SUNTOUR XCR-V3-T414 44-32-22 teeth 170 mm cranks | PROWHEEL 42-34-24 teeth 152 mm cranks |
| BBParts | VP COMP cartridge | VP COMP. | SHIMANO UN-26 | VP COMP |
| Rear derailleur | SHIMANO Alivio | SHIMANO TY21 | SHIMANO Deore | SHIMANO TY21 |
| Shifters | SHIMANO Alivio (9) | SHIMANO Revoshift (6) | SHIMANO Deore (27) | SHIMANO Revoshift (18) |
| Free wheel | SHIMANO HG400-9 11-36 (9) | SHIMANO MF-TZ20 14-28 (6) | SHIMANO HG-50-9 11-34 (9) | SHIMANO MF-TZ500 14-28 (6) |
| Chain | KMC Z9 | KMC Z33 | SHIMANO HG-53 | KMC Z6 |
| Hubs | QUANDO 24 holes | QUANDO 32 holes | AUTHOR 32 holes | QUANDO 32 holes |
| Brakes | TEKTRO V | TEKTRO 855AL | TEKTRO 857AL | TEKTRO V |
| Brakes levers | TEKTRO alloy | TEKTRO plastic / alloy | TEKTRO CL-530 | TEKTRO plastic / alloy |
| Rims | alloy 24 holes | alloy 32 holes | AUTHOR Xenon Cross black 32 holes | alloy 32 holes |
| Spokes | black stainless steel 2.0 mm | steel | black stainless steel 2.0 mm | black steel |
| Tires | KENDA Small Block Eight kevlar 24" x 1.95" | 20" x 1.75" | AUTHOR PANARACER Silk Road Cross 700 x 38c | 24" x 1.75" |
| Pedals | alloy | resin | AUTHOR NonSlip alloy | resin |
| Handlebar | AUTHOR Flat Top bar 0 mm 600 mm | ZOOM alloy 15 mm 540 mm | AUTHOR 20 mm 620 mm | steel 20 mm 580 mm |
| Grips | AUTHOR kratton rubber | AUTHOR kratton rubber | AUTHOR ErgoGrip | AUTHOR kratton rubber |
| Stem | AUTHOR alloy | alloy | UNO adjustable | alloy |
| Seat post | AUTHOR alloy (31.6) | ZOOM alloy (27.2) | AUTHOR alloy (31.6) | alloy (27.2) |
| Seat clamp | AUTHOR (34.9) | AUTHOR (31.8) | AUTHOR (34.9) | AUTHOR (31.8) |
| Saddle | AUTHOR Champion CR | AUTHOR Cosmic | AUTHOR Area Gel | AUTHOR |
| Speed | 9 | 6 | 27 | 18 |
| Weight | 9,8kg / 12" | 8,9 Kg / 10" | 13,4 Kg / 19" | 12,1kg / 12.5" |
| Front derailleur | - | - | SHIMANO Alivio (34.9) | SHIMANO TY500 (31.8) |
