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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Grand 2019 | AUTHOR ERA 2.0 2009 | - | - |
| Code | UA#42909701 | UA#42764501 | - | - |
| Model card | link | link | - | - |
| Size | 16", 18", 20", 22" | M, L, XL | - | - |
| Frame | alloy 6061 29" | alloy 6061, suspension | - | - |
| Front fork | RST Vita TnL oil, lock out (80 mm) | RST Titan Air air, lock out (130 mm) | - | - |
| Head parts | AUTHOR Integrated 1-1/8" | RITCHEY Zero Logic Integ Comp 1-1/8" (ahead) | - | - |
| Chain Wheel | SUNTOUR NCX 48-36-26 teeth 170 / 175 mm cranks | SHIMANO M532 44-32-22 170 / 175 mm cranks | - | - |
| BBParts | SUNTOUR XCT cartridge | SHIMANO M532, BB unit | - | - |
| Front derailleur | SHIMANO Altus (31.8) | SHIMANO SLX (34.9) | - | - |
| Rear derailleur | SHIMANO Acera | SHIMANO XT | - | - |
| Shifters | SHIMANO Acera (27) | SHIMANO SLX (27) | - | - |
| Free wheel | SHIMANO HG400-9 11-34 (9) | SHIMANO HG-50-9 11-32 | - | - |
| Chain | KMC Z9 | SHIMANO HG-53 | - | - |
| Hubs | QUANDO Disc 32 holes | Shimano LX disc 32 holes | - | - |
| Brakes | TEKTRO Vela disc hydraulic (6" rotors) | SHIMANO M575 disc hydraulic (7" rotors) | - | - |
| Brakes levers | TEKTRO Vela | SHIMANO M575 | - | - |
| Rims | AUTHOR Xenon 29 32 holes | AUTHOR Argon Pro 32 holes | - | - |
| Spokes | black stainless steel 2.0 mm | black stainless steel 2.2 mm butted | - | - |
| Tires | AUTHOR Speed Master 29"x 1.75" | MAXXIS Ignitor Kevlar 26" x 2.10" | - | - |
| Pedals | AUTHOR alloy | SHIMANO M520 clipless | - | - |
| Handlebar | AUTHOR 25 mm 680 mm | EASTON EA50MB riser 20 mm 31.8 mm | - | - |
| Grips | AUTHOR ErgoGrip Lock | AUTHOR XC GripLock | - | - |
| Stem | UNO adjustable | EASTON EA50 | - | - |
| Seat post | AUTHOR alloy (27.2) | AUTHOR carbon (31.6) | - | - |
| Seat clamp | AUTHOR (31.8) | AUTHOR (34.9) | - | - |
| Saddle | AUTHOR Sphere Gel | FIZIK Nisene III | - | - |
| Speed | 27 | 27 | - | - |
| Weight | 15kg / 20" | 14.00 / L | - | - |
| Shocker | - | oil-air shocker SUNTOUR Epicon lock out 190 / 50 mm (rear travel 130 mm) | - | - |
