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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Ultrasonic 24 2019 | AUTHOR Cosmic 2013 | - | - |
| Code | UA#42903801 | UA#42810601 | - | - |
| Model card | link | link | - | - |
| Size | 12" | 10" | - | - |
| Frame | triple butted hydroformed alloy 6061 24" | alloy 7005 20" | - | - |
| Front fork | alloy 6061 24" | cromoly | - | - |
| Head parts | AUTHOR Integrated 1.5" tapered | VP COMP. 1" | - | - |
| Chain Wheel | LASCO 32 teeth 150 mm cranks | PROWHEEL 36 teeth 127 mm cranks | - | - |
| BBParts | VP COMP cartridge | VP COMP. | - | - |
| Rear derailleur | SHIMANO Alivio | SHIMANO TY21 | - | - |
| Shifters | SHIMANO Alivio (9) | SHIMANO Revoshift (6) | - | - |
| Free wheel | SHIMANO HG400-9 11-36 (9) | SHIMANO MF-TZ20 14-28 (6) | - | - |
| Chain | KMC Z9 | KMC Z33 | - | - |
| Hubs | QUANDO 24 holes | QUANDO 32 holes | - | - |
| Brakes | TEKTRO V | TEKTRO 855AL | - | - |
| Brakes levers | TEKTRO alloy | TEKTRO plastic / alloy | - | - |
| Rims | alloy 24 holes | alloy 32 holes | - | - |
| Spokes | black stainless steel 2.0 mm | steel | - | - |
| Tires | KENDA Small Block Eight kevlar 24" x 1.95" | 20" x 1.75" | - | - |
| Pedals | alloy | resin | - | - |
| Handlebar | AUTHOR Flat Top bar 0 mm 600 mm | ZOOM alloy 15 mm 540 mm | - | - |
| Grips | AUTHOR kratton rubber | AUTHOR kratton rubber | - | - |
| Stem | AUTHOR alloy | alloy | - | - |
| Seat post | AUTHOR alloy (31.6) | ZOOM alloy (27.2) | - | - |
| Seat clamp | AUTHOR (34.9) | AUTHOR (31.8) | - | - |
| Saddle | AUTHOR Champion CR | AUTHOR Cosmic | - | - |
| Speed | 9 | 6 | - | - |
| Weight | 9,8kg / 12" | 8,9 Kg / 10" | - | - |
| Front derailleur | - | - | - | - |
