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| Image |  |  | - | - |
|---|---|---|---|---|
| Product | AUTHOR Aura XR6 2020 | Ultrasonic 24 2023-24 | - | - |
| Code | UA#42930302 | UA#42943801 | - | - |
| Model card | link | link | - | - |
| Size | 500, 520, 540, 560, 580 mm | 12" | - | - |
| Frame | triple butted alloy 6061 | triple butted hydroformed alloy 6061 24" | - | - |
| Front fork | AUTHOR carbon 1.5" tapered | alloy 6061 24" | - | - |
| Head parts | PRESTINE Integrated 1.5" tapered | PRESTINE Integrated 1.5" tapered | - | - |
| Chain Wheel | SHIMANO GRX 600 46-30 teeth 172.5 / 175 mm cranks | LASCO, 32 teeth, 150 mm cranks | - | - |
| BBParts | SHIMANO BBR60 BB unit | VP COMP, cartridge | - | - |
| Front derailleur | SHIMANO GRX 810 | - | - | - |
| Rear derailleur | SHIMANO GRX 810 | SHIMANO Alivio | - | - |
| Shifters | SHIMANO GRX 600 (22) | SHIMANO Alivio (9) | - | - |
| Free wheel | SHIMANO HG700-11 11-34 (11) | SHIMANO HG400-9, 11-36 (9) | - | - |
| Chain | KMC X11 EL | KMC Z9 | - | - |
| Hubs | MAVIC Allroad Disc CL UST wheel set 20 holes 12 × 100 mm thru front axle 12 × 142 mm thru rear axle | QUANDO, 24 holes | - | - |
| Brakes | SHIMANO GRX 400 disc hydraulic (160 mm rotors) | TEKTRO V | - | - |
| Brakes levers | SHIMANO GRX 600 | TEKTRO alloy | - | - |
| Rims | MAVIC Allroad Disc CL UST wheel set 20 holes | alloy, 24 holes | - | - |
| Spokes | MAVIC | black stainless steel 2.0 mm | - | - |
| Tires | PANARACER Gravel King SK Kevlar 700 × 38c | KENDA Small Block Eight aramid 24" × 1.95" | - | - |
| Handlebar | RITCHEY Road ErgoMax 420 / 440 / 460 mm | AUTHOR Flat Top bar, rise 0 mm, 600 mm | - | - |
| Grips/Bar tapes | AUTHOR microfiber / gel | - | - | - |
| Stem | RITCHEY Comp 4-Axis | AUTHOR alloy | - | - |
| Seat post | RITCHEY 2B Comp (27.2) | AUTHOR alloy (31.6) | - | - |
| Seat clamp | AUTHOR (31.8) | AUTHOR (34.9) | - | - |
| Saddle | AUTHOR Guru CR | AUTHOR Champion | - | - |
| Speed | 22 | 9 | - | - |
| Weight | 9,7 kg /54 | 9,8 kg / 12" | - | - |
| Pedals | - | plastic | - | - |
| Grips | - | AUTHOR kratton rubber | - | - |
