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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Bicycle A4400 2010 | AUTHOR Bicycle CA8800 2011 | AUTHOR Corsa 2015 | Aura XR2 2023-24 |
| Code | UA#42777801 | UA#42789601 | UA#42836501 | UA#42951302 |
| Model card | link | link | link | link |
| Size | 480, 500, 520, 540, 560, 580 mm | 480, 500, 520, 540, 560, 580 mm | 17", 19" | 500, 520, 540, 560, 580 mm |
| Frame | triple butted alloy 6061 | AUTHOR carbon monocoque | alloy 6061 700c (L) | triple butted dural 6061 |
| Front fork | AUTHOR carbon monocoque | AUTHOR carbon monocoque | RST Nova ML lock out (60 mm) | AUTHOR dural 1.5" tapered |
| Head parts | RITCHEY Zero Logic Integ Comp 1-1/8" (ahead) | FSA Orbit C-40 1.5" taper | AUTHOR Integrated 1-1/8" | PRESTINE Integrated 1.5" tapered |
| Chain Wheel | FSA Omega Compact 50-34 170 / 172.5 / 175 mm cranks | SRAM Red 53-39 170 / 172.5 / 175 mm cranks | SUNTOUR NCX-T414 44-32-22 teeth 170 mm cranks | PROWHEEL RPL, 48-32 teeth, 172.5 / 175 mm cranks |
| BBParts | FSA MegaExo | SRAM Red BB unit | SHIMANO UN-26 | SHIMANO BB-UN300, cartridge |
| Front derailleur | SHIMANO Tiagra (31.8) | SRAM Red (34.9) | SHIMANO Acera (34.9) | SHIMANO Sora |
| Rear derailleur | SHIMANO 105 | SRAM Red | SHIMANO Alivio | SHIMANO Sora |
| Shifters | SHIMANO Tiagra (18) | SRAM Red (20) | SHIMANO Alivio (27) | SHIMANO Sora (18) |
| Free wheel | SHIMANO CS-HG-50-9 12-25 | SRAM OG-1090 11-25 (10) | SHIMANO HG300-9 11-34 (9) | SHIMANO HG400-9, 11-32 (9) |
| Chain | SHIMANO CN-HG-73 | SRAM PC-1091 | SHIMANO HG53 | SHIMANO HG53 |
| Hubs | QUANDO Road 32 holes | EASTON EC90 SL Wheel Set 18 / 24 holes | AUTHOR 32 holes | QUANDO Road Disc, 12 × 100 mm thru front axle, 32 holes |
| Brakes | TEKTRO R520 | SRAM Red | TEKTRO 857 | SHIMANO BR-UR300, disc hydraulic (160 mm rotors) |
| Brakes levers | SHIMANO Tiagra | SRAM Red | SHIMANO Alivio | SHIMANO BL-MT201 |
| Rims | JALCO DRX 5000 black 32 holes | - | AUTHOR Argon Cross 32 holes | JALCO SRD 21, 32 holes |
| Spokes | black stainless steel 1.8 mm | EASTON EC90 SL | black stainless steel 2.0 mm | black stainless steel 2.0 mm |
| Tires | 700 x 25c | PANARACER Extreme Evo 3 Kevlar 700 x 23c | AUTHOR PANARACER Silk Road Cross 700 x 42c | PANARACER Gravel King SK Sport 700 × 38C (40-622) |
| Handlebar | RITCHEY Road Logic 31.8 mm | FSA K-Wing Compact carbon 31.8 mm | AUTHOR 20 mm 620 mm | AUTHOR rise 15 mm, 9°, 660 / 680 mm |
| Grips/Bar tapes | AUTHOR PU / foam / gel | AUTHOR PU / silicon / gel | - | AUTHOR Microtech ErgoGrip |
| Stem | RITCHEY Comp | FSA carbon | UNO adjustable | AUTHOR alloy |
| Seat post | RITCHEY Road (27.2) | FSA K-Force Light Carbon (31.6) | AUTHOR alloy (31.6) | AUTHOR alloy (27.2) |
| Seat clamp | AUTHOR (31.8) | AUTHOR (34.9) | AUTHOR (34.9) | AUTHOR (31.8) |
| Saddle | FIZIK Pave CX | FIZIK Antares carbon | AUTHOR Area Gel | AUTHOR Guru |
| Speed | 18 | 20 | 27 | 18 |
| Weight | 9,40 kg / 540 | 6.8 kg / 540 | 13.5 kg / 19" | 10,9 kg / 54 cm |
| Wheel set | - | EASTON EC90 SL Wheel Set 18 / 24 holes | - | - |
| Pedals | - | - | AUTHOR Non Slip alloy | - |
| Grips | - | - | AUTHOR ErgoGrip | - |
