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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Ronin XC 2020 | Guru 2.0 2026 | AUTHOR Limit 24 2021-22 | AUTHOR Aura XR3 2020 |
| Code | UA#42930502 | UA#42973001 | UA#42932531 | UA#42930002 |
| Model card | link | link | link | link |
| Size | 500, 520, 540, 560, 580 mm | 48, 51, 54, 57 cm | 12.5" | 500, 520, 540, 560, 580 mm |
| Frame | triple butted chromoly REYNOLDS | AUTHOR carbon Toray T700 monocoque (max. tyre size 700 x 47C) | alloy 6061 24" | triple butted alloy 6061 |
| Front fork | AUTHOR alloy 1.5" tapered | AUTHOR carbon Toray T700 monocoque, 1.5" tapered | alloy 6061 24" | AUTHOR alloy 1.5" tapered |
| Head parts | PRESTINE Integrated 1.5" tapered | FSA 1.5" tapered | PRESTINE 1-1/8" | PRESTINE Integrated 1.5" tapered |
| Chain Wheel | SHIMANO GRX 600-1 40 teeth 170 / 172.5 / 175 mm cranks | SHIMANO GRX 820-1, 42 teeth, 172,5/175 mm cranks | PROWHEEL 32 teeth 152 mm cranks | PROWHEEL RPL 48-32 teeth 172.5 / 175 mm cranks |
| BBParts | SHIMANO BBR60 BB unit | BB unit / T47 85,5 mm | VP COMP cartridge | SHIMANO BB-UN26 cartridge |
| Rear derailleur | SHIMANO GRX 812 | SHIMANO GRX 822 | SHIMANO TX800 | SHIMANO Sora |
| Shifters | SHIMANO GRX 600 (112) | SHIMANO GRX 610 (12) | SHIMANO Revoshift (8) | SHIMANO Sora (18) |
| Free wheel | SHIMANO HG700-11 11-42 (11) | SHIMANO CS-M7100-12, 10-45 teeth (12) | SHIMANO HG31-8 11-34 (8) | SHIMANO HG400-9 11-32 (9) |
| Chain | KMC X11 EL | KMC X12 | KMC Z8.3 | SHIMANO HG53 |
| Hubs | SHIMANO 105 Disc 32 holes | MAVIC Allroad CL 700, wheel set, 24 holes, 12 x 100 mm thru front axle, 12 x 142 mm thru rear axle | QUANDO 32 holes | QUANDO Road Disc 12 × 100 mm thru front axle 32 holes |
| Brakes | SHIMANO GRX 400 disc hydraulic (160 mm rotors) | SHIMANO GRX 410, disc hydraulic (160 mm rotors) | TEKTRO V | SHIMANO RS305 disc mechanical (160 mm rotors) |
| Brakes levers | SHIMANO GRX 600 | SHIMANO GRX 610 | TEKTRO plastic / alloy | SHIMANO Sora |
| Rims | JALCO SR240 6505D 32 holes | MAVIC Allroad CL 700 wheel set, 24 holes | alloy 32 holes | JALCO CR25D 32 holes |
| Spokes | stainless steel hi-ten 2.0 mm black | MAVIC | steel | stainless steel hi-ten 2.0 mm black |
| Tires | PANARACER Gravel King SK Kevlar 650B × 48c | PANARACER Gravel King X1, foldable, 700 x 45C (max. tyre size 700 x 47C) | KENDA Small Block Eight 24" × 1.95" | RITCHEY Cross Shield 700 × 35c |
| Handlebar | RITCHEY Road ErgoMax 420 / 440 / 460 mm | FSA A-Wing, 420/440 mm | steel 20 mm 620 mm | PROMAX 420 / 440 / 460 mm |
| Grips/Bar tapes | AUTHOR microfiber / gel | AUTHOR microfiber / gel | - | AUTHOR suede / gel |
| Stem | RITCHEY Comp 4-Axis | FSA NS SMR-II | alloy | AUTHOR |
| Seat post | RITCHEY Comp (27.2) | FSA Comet SBO alloy (27.2) | alloy (27.2) | AUTHOR (27.2) |
| Seat clamp | AUTHOR (29.8) | - | AUTHOR (31.8) | AUTHOR (31.8) |
| Saddle | AUTHOR Guru CR | PROLOGO Scratch M5 Space AGX Tirox | AUTHOR | AUTHOR Guru |
| Speed | 11 | 12 | 8 | 18 |
| Weight | 10,9 kg /54 | 9,6 kg / 54 cm | 10,3 kg / 12.5" | 11 kg /54 |
| Pedals | - | - | resin | - |
| Grips | - | - | AUTHOR kratton rubber | - |
| Front derailleur | - | - | - | SHIMANO Sora |
