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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | Aura XR2 2025 | Frame+Fork Guru 3.0 2025 | AUTHOR Mirage 2012 | AUTHOR Stratos ASL 2021-22 |
| Code | UA#4296190226 | UA#05962622 | UA#42801101 | UA#42937902 |
| Model card | link | link | link | link |
| Size | 500, 520, 540, 560, 580 mm | - | 14" | 17", 19" |
| Frame | triple butted alloy 6061, max tyre size 700 × 42C | - | alloy 6061 | alloy 6061 29" (ASL) |
| Front fork | AUTHOR alloy, 1.5" tapered | - | RST Capa T 24 (50 mm) | RST Capa 29 ML lock out (80 mm) |
| Head parts | PRESTINE Integrated, 1.5" tapered | - | FSA Integrated 1-1/8" | AUTHOR Integrated 1-1/8" |
| Chain Wheel | PROWHEEL RPL, 48-32 teeth, 172,5 / 175 mm cranks | - | SUNTOUR XCT-JR 42-32-22 teeth 152 mm cranks | SUNTOUR NCX 44-32-22 teeth 170 mm cranks |
| BBParts | SHIMANO BB-UN300, cartridge | - | SUNTOUR XCM cartridge | SUNTOUR XCT cartridge |
| Front derailleur | SHIMANO Sora | - | SHIMANO TX50 (34.9) | SHIMANO Altus (31.8) |
| Rear derailleur | SHIMANO Sora | - | SHIMANO Acera | SHIMANO Alivio |
| Shifters | SHIMANO Sora (18) | - | SHIMANO Revoshift (24) | SHIMANO Acera (27) |
| Free wheel | SHIMANOCS- HG400-9, 11-32 (9) | - | SHIMANO HG-31-8 11-32 (8) | SHIMANO HG200-9 11-36 (9) |
| Chain | SHIMANO HG53 | - | KMC Z72 | KMC Z9 |
| Hubs | QUANDO Road Disc, 12 × 100 mm thru front axle, 32 holes | - | QUANDO 32 holes | QUANDO 32 holes |
| Brakes | SHIMANO BR-UR300, disc hydraulic (160 mm rotors) | - | TEKTRO 837AL | TEKTRO V |
| Brakes levers | SHIMANO BL-MT201 | - | TEKTRO alloy | TEKTRO alloy |
| Rims | JALCO SRD 21, 32 holes | - | alloy black 32 holes | AUTHOR Argon 29 32 holes |
| Spokes | black stainless steel 2.0 mm | - | black steel | black stainless steel 2.0 mm |
| Tires | PANARACER Gravel King SK Sport, 700 × 38C (40-622), max tyre size 700 × 42C | - | 24" x 1.75" | AUTHOR Speed Master 29" × 1.75" |
| Handlebar | AUTHOR rise 15 mm 9° 660 / 680 mm | - | ZOOM dural 20 mm 560 mm | AUTHOR 25 mm 660 / 680 mm |
| Grips/Bar tapes | AUTHOR Microtech ErgoGrip | - | - | - |
| Stem | AUTHOR alloy | - | ZOOM alloy | UNO adjustable |
| Seat post | AUTHOR alloy (27.2) | - | ZOOM alloy (31.6) | AUTHOR alloy (27.2) |
| Seat clamp | AUTHOR (31.8) | - | AUTHOR (34.9) | AUTHOR (31.8) |
| Saddle | AUTHOR Guru | - | AUTHOR Mega Top Junior | AUTHOR Area Gel |
| Speed | 18 | - | 24 | 27 |
| Weight | 10,9 kg / 54 cm | - | 12,2 Kg / 14" | 13,9 kg / 17" |
| Pedals | - | - | resin | AUTHOR Non Slip alloy |
| Grips | - | - | AUTHOR kratton rubber | AUTHOR ErgoGrip Lock |
