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| Image |  |  |  |  |
|---|---|---|---|---|
| Product | AUTHOR Context 29 ASL 2021-22 | AUTHOR Aura XR4 2019 | AUTHOR Stylo 16 2021-22 | AUTHOR CA 7700 2009 |
| Code | UA#42936201 | UA#42912402 | UA#42931301 | UA#42768401 |
| Model card | link | link | link | link |
| Size | 16", 18" | 480, 500, 520, 540, 560, 580 mm | 9" | 480, 500, 520, 540, 560, 580 mm |
| Frame | triple butted hydroformed alloy 6061 29" (ASL) | triple butted alloy 6061 | alloy 6061 16" | AUTHOR high modulus carbon monocoque |
| Front fork | RST F1RST 29 15 TRL air, remote lock out (100 mm) | AUTHOR carbon legs, alloy steerer 1.5" tapered | hi-ten | AUTHOR high modulus carbon monocoque |
| Head parts | FSA Integrated 1.5" tapered | PRESTINE Integrated 1.5" tapered | VP COMP 1" | RITCHEY Zero Logic Integ Pro 1-1/8" (ahead) |
| Chain Wheel | SHIMANO M510-1 32 teeth 170 / 175 mm cranks | SHIMANO Tiagra Compact 50-34 teeth 170 / 172.5 / 175 mm cranks | PROWHEEL 32 teeth 102 mm cranks | SHIMANO Dura Ace 53-39 170 / 172.5 / 175 mm cranks |
| BBParts | SHIMANO BB-52 BB unit | SHIMANO BB-RS500 BB unit | VP COMP | SHIMANO Dura Ace, BB unit |
| Rear derailleur | SHIMANO Deore | SHIMANO Tiagra | - | SHIMANO Dura Ace |
| Shifters | SHIMANO Deore (12) | SHIMANO Tiagra (20) | - | SHIMANO Dura Ace (20) |
| Free wheel | SHIMANO CS-M6100 10-51 (12) | SHIMANO HG500-10 11-34 (10) | coasterhub 16T | SHIMANO CS-7900 11-23 |
| Chain | KMC X12 | KMC X10 | KMC Z6 | SHIMANO CN-7900 |
| Hubs | AUTHOR Helium 15 / SHIMANO 15 × 100 mm thru front axle 12 × 148 mm thru rear axle 32 holes | QUANDO Road Disc 12 x 100 mm thru front axle 32 holes | rear coasterhub 28 holes | MAVIC Ksyrium SL Wheel Set 18/20 holes |
| Brakes | SHIMANO BR-MT400 disc hydraulic (7" rotors) | REVER MCX2 disc mechanical (160 mm rotors) | TEKTRO V / coasterhub | SHIMANO Dura Ace |
| Brakes levers | SHIMANO BL MT400 | SHIMANO Tiagra | TEKTRO alloy / alloy | SHIMANO Dura Ace |
| Rims | AUTHOR Xenon TRC 29 32 holes | JALCO CR25D 32 holes | alloy 28 holes | MAVIC Ksyrium SL 18 holes/ MAVIC Ksyrium SL 20 holes |
| Spokes | black stainless steel 2.0 mm | black stainless steel 2.0 mm | black steel | MAVIC Ksyrium SL |
| Tires | VITTORIA Barzo foldable 29" × 2.25" | RITCHEY Cross Shield kevlar 700 x 35c | 16" × 1.75" | PANARACER Extreme Evo 3 kevlar 700 x 23c |
| Handlebar | AUTHOR Flatbar 9° 680 / 700 mm | PROMAX 420 / 440 / 460 mm | alloy 60 mm 500 mm | RITCHEY WCS Evolution Carbon Road 31.8 mm |
| Grips | AUTHOR GripLock foam | - | AUTHOR kratton rubber | AUTHOR PU / foam / gel |
| Stem | AUTHOR alloy | AUTHOR | alloy | RITCHEY WCS 4-Axis 3K carbon |
| Seat post | AUTHOR alloy (31.6) | AUTHOR (27.2) | alloy (27.2) | Ritchey WCS carbon |
| Seat clamp | AUTHOR (34.9) | AUTHOR (31.8) | alloy (31.8) | AUTHOR (34.9) |
| Saddle | AUTHOR Fenix | AUTHOR Aura CR | AUTHOR Stylo | FIZIK Arione CX k:ium |
| Speed | 12 | 20 | 1 | 20 |
| Weight | 12,2 kg / 16" | 10,4kg / 54" | 7,8 kg / 9" | 6.90 / 540 |
| Front derailleur | - | SHIMANO Tiagra | - | SHIMANO Dura Ace (34.9) |
| Grips/Bar tapes | - | AUTHOR suede / gel | - | - |
| Pedals | - | - | resin | - |
