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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Engine 29 2020 | Rival 27,5 2023-24 | - | - |
| Code | UA#42928502 | UA#4294440125 | - | - |
| Model card | link | link | - | - |
| Size | 17", 19", 21" | 15", 17", 19" | - | - |
| Frame | double butted hydroformed alloy 6061 29" | alloy 6061 27.5" | - | - |
| Front fork | RST Aerial 29 TRL air remote lock out (100 mm) | RST Gila 27.5 ML lock out (100 mm) | - | - |
| Engine | BAFANG Max Motor 250 W | - | - | - |
| Battery | Han-Win, 36 V, 14 Ah, 500 Wh | - | - | - |
| Display | LCD C18 | - | - | - |
| Head parts | FSA Integrated 1-1/8" | PRESTINE Integrated 1-1/8" | - | - |
| Chain Wheel | BAFANG 38 teeth 170 / 175 mm cranks | PROWHEEL, 42-34-24 teeth, 170 / 175 mm cranks | - | - |
| BBParts | BAFANG | VP COMP, cartridge | - | - |
| Rear derailleur | SHIMANO Deore | SHIMANO TX800 | - | - |
| Shifters | SHIMANO Deore (10) | SHIMANO TX800 (24) | - | - |
| Free wheel | SHIMANO HG50-10 11-36 (10) | SHIMANO HG200-8, 12-32 (8) | - | - |
| Chain | KMC e10T | KMC Z8.3 | - | - |
| Hubs | AUTHOR Xenon 32 holes | QUANDO Disc, 32 holes | - | - |
| Brakes | TEKTRO M745 disc hydraulic (7" rotors) | TEKTRO, disc mechanical (6" rotors) | - | - |
| Brakes levers | TEKTRO M745 | SHIMANO TX800 | - | - |
| Rims | AUTHOR E-Krypton 29 32 holes | AUTHOR Xenon 27.5, 32 holes | - | - |
| Spokes | stainless steel hi-ten 2.2 mm black | black steel | - | - |
| Tires | VITTORIA Barzo G2.0 kevlar 29" × 2.25" | AUTHOR Rocket 27,5" × 2.10" | - | - |
| Pedals | HT platform | plastic | - | - |
| Handlebar | AUTHOR 15 mm 700 / 720 mm | AUTHOR rise 15 mm, 9°, 660 / 680 mm | - | - |
| Grips | AUTHOR Pro Lock | AUTHOR kratton rubber | - | - |
| Stem | AUTHOR alloy | AUTHOR alloy | - | - |
| Seat post | AUTHOR alloy (31.6) | AUTHOR alloy (31.6) | - | - |
| Seat clamp | AUTHOR (34.9) | AUTHOR (34.9) | - | - |
| Saddle | AUTHOR Navigator | AUTHOR Courier | - | - |
| Speed | 10 | 24 | - | - |
| Weight | 21,5 kg /19" | 15 kg / 17" | - | - |
| Front derailleur | - | SHIMANO TY700 (34.9) | - | - |
