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| Image |  |  |  | - |
|---|---|---|---|---|
| Product | AUTHOR Thema 2018 | AUTHOR Impulse 29 2020 | AUTHOR COMPACT 2010 | - |
| Code | UA#42895902 | UA#42923002 | UA#42772801 | - |
| Model card | link | link | link | - |
| Size | 17', 19' | 17", 19", 21" | 18", 20", 22" | - |
| Frame | alloy 6061 700c (L) | alloy 6061 29" | alloy 6061 700C | - |
| Front fork | hi-ten | RST Blaze 29 ML oil, lock out (100 mm) | hi-ten | - |
| Head parts | VP COMP 1-1/8' | PRESTINE Integrated 1-1/8" | VP Comp. 1-1/8" | - |
| Chain Wheel | PROWHEEL 42-34-24 teeth 170 mm cranks | PROWHEEL 42-34-24 teeth 170 / 175 mm cranks | PROWHEEL 48-38-28 170 / 175 mm cranks | - |
| BBParts | VP COMP cartridge | VP COMP cartridge | VP Comp. cartridge | - |
| Front derailleur | SHIMANO TY500 (31.8) | SHIMANO TY700 (34.9) | SHIMANO TX51 (31.8) | - |
| Rear derailleur | SHIMANO TY500 | SHIMANO Altus | SHIMANO TX31 | - |
| Shifters | SHIMANO (21) | SHIMANO Altus (24) | SHIMANO Revoshift (21) | - |
| Free wheel | SHIMANO MF-TZ21 14-28 (7) | SHIMANO HG200-8 12-32 (8) | SHIMANO MF-TZ-21 14-28 | - |
| Chain | KMC Z51 | KMC Z8.1 | SHIMANO UG-51 | - |
| Hubs | QUANDO 36 holes | QUANDO Disc 32 holes | QUANDO 36 holes | - |
| Brakes | TEKTRO V | TEKTRO disc hydraulic (6" rotors) | TEKTRO 55 AL | - |
| Brakes levers | SHIMANO | TEKTRO | TEKTRO plastic / alloy | - |
| Rims | alloy 36 holes | AUTHOR Xenon 29 32 holes | alloy 36 holes | - |
| Spokes | steel | hi-ten black | steel | - |
| Tires | AUTHOR Speed Master 700 x 42c | AUTHOR Rocket 29" x 2.10" | AUTHOR AT-1338 700 x 38c | - |
| Pedals | resin | resin | resin | - |
| Handlebar | steel 20 mm 640 mm | AUTHOR Flatbar 10° 700 mm | KALIN steel 20 mm riser | - |
| Grips | AUTHOR high density foam | AUTHOR kratton rubber | AUTHOR high density foam | - |
| Stem | ZOOM alloy | AUTHOR alloy | KALIN steel | - |
| Seat post | ZOOM alloy (27.2) | AUTHOR alloy (31.6) | KALIN steel (27.2) | - |
| Seat clamp | AUTHOR (31.8) | AUTHOR (34.9) | AUTHOR (31.8) | - |
| Saddle | AUTHOR Noble | AUTHOR Courier | AUTHOR | - |
| Speed | 21 | 24 | 21 | - |
| Weight | 12,8 kg / 17' | 14,9 kg /19" | 12,50 kg / 20" | - |
