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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Ultrasonic 26 2018 | AUTHOR Bicycle Traction 2014 | - | - |
| Code | UA#42891801 | UA#42823401 | - | - |
| Model card | link | link | - | - |
| Size | 13.5' | 15", 17", 19", 21" | - | - |
| Frame | triple butted hydroformed alloy 6061 26' | double butted alloy 6061 27.5" | - | - |
| Front fork | alloy 6061 26' | RST Aerial 650B TnL air, lock out (100 mm) | - | - |
| Head parts | AUTHOR Integrated 1.5' tapered | AUTHOR Integrated 1.5" tapered | - | - |
| Chain Wheel | SRAM 32 teeth 155 mm cranks | SUNTOUR XCR-T424 44-32-22 teeth 170 / 175 mm cranks | - | - |
| BBParts | SRAM BB unit | SUNTOUR XCM cartridge | - | - |
| Rear derailleur | SRAM NX-1 | SHIMANO Deore | - | - |
| Shifters | SRAM NX-1 (11) | SHIMANO Alivio (27) | - | - |
| Free wheel | SRAM PG1130 11-42 (11) | SHIMANO HG-50-9 11-34 (9) | - | - |
| Chain | SRAM CN-1100 | SHIMANO HG-53 | - | - |
| Hubs | AUTHOR Xenon 32 holes | AUTHOR Xenon Disc 32 holes | - | - |
| Brakes | PROMAX disc hydraulic (6' rotors) | TEKTRO Draco WH disc hydraulic (7" rotors) | - | - |
| Brakes levers | PROMAX | TEKTRO Draco WH | - | - |
| Rims | AUTHOR Argon 26 32 holes | AUTHOR Radon 27.5" black 32 holes | - | - |
| Spokes | black stainless steel 2.0 mm | black stainless steel 2.0 mm | - | - |
| Tires | VITTORIA Barzo kevlar 26' x 2.10' | GEAX Mezcal White Black 27.5" x 2.10" | - | - |
| Pedals | alloy | AUTHOR alloy | - | - |
| Handlebar | AUTHOR 0 mm 600 mm | AUTHOR 15 mm 620 / 640 / 660 mm | - | - |
| Grips | AUTHOR high density foam | AUTHOR Pro Lock | - | - |
| 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 Champion CR | AUTHOR Navigator | - | - |
| Speed | 11 | 27 | - | - |
| Weight | 10,6 kg / 13,5' | 13,8 kg / 19" | - | - |
| Front derailleur | - | SHIMANO Alivio (34.9) | - | - |
