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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Sonic 2013 | AUTHOR Traction 29 2019 | - | - |
| Code | UA#42811401 | UA#42907202 | - | - |
| Model card | link | link | - | - |
| Size | 14" | 17", 19", 21" | - | - |
| Frame | triple butted alloy 6061 24" | double butted hydroformed alloy 6061 29" | - | - |
| Front fork | RST F1RST 24 Air air, lock out (60 mm) | RST Aerial 29 TnL air, lock out (100 mm) | - | - |
| Head parts | FSA Integrated 1-1/8" | AUTHOR Integrated 1.5" tapered | - | - |
| Chain Wheel | PROWHEEL Pioneer 42-32-22 teeth 152 mm cranks | SHIMANO 38-24 teeth 170 / 175 mm cranks | - | - |
| BBParts | VP COMP. cartridge | SHIMANO BB-52 BB unit | - | - |
| Front derailleur | SHIMANO Acera (34.9) | SHIMANO Deore (34.9) | - | - |
| Rear derailleur | SHIMANO Alivio | SHIMANO Deore | - | - |
| Shifters | SHIMANO Acera (24) | SHIMANO Deore (20) | - | - |
| Free wheel | SHIMANO HG-31-8 11-32 (8) | SHIMANO HG500-10 11-42 (10) | - | - |
| Chain | KMC Z72 | KMC X10-1 | - | - |
| Hubs | QUANDO 32 holes | AUTHOR Radon 32 holes | - | - |
| Brakes | TEKTRO 837AL | TEKTRO Gemini disc hydraulic (7" rotors) | - | - |
| Brakes levers | TEKTRO alloy | TEKTRO Gemini | - | - |
| Rims | alloy black 32 holes | AUTHOR Xenon Pro 29 32 holes | - | - |
| Spokes | black stainless steel 2.0 mm | black stainless steel 2.0 mm | - | - |
| Tires | KENDA Kevlar 24" x 1.95" | VITTORIA Barzo kevlar 29" x 2.25" | - | - |
| Pedals | resin | AUTHOR alloy | - | - |
| Handlebar | AUTHOR 25 mm 560 mm | AUTHOR Flatbar 9° 700 mm | - | - |
| Grips | AUTHOR kratton rubber | 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 Mega Top Junior | AUTHOR Navigator | - | - |
| Speed | 24 | 20 | - | - |
| Weight | 10,9 Kg / 14" | 13,2kg / 19" | - | - |
