Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset Sora -
Suspension Rigid -
Drivetrain 2 × 9 -
Brakes Mechanical Disc
Sizing
Recommended size guide.
50cm
160cm - 170cm
52cm
168cm - 178cm
54cm
176cm - 185cm
56cm
183cm - 193cm
58cm
190cm - 205cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
triple butted alloy 6061
Suspension Fork
AUTHOR alloy 1.5" tapered
Drivetrain
Rear Derailleur
SHIMANO Sora
Front Derailleur
SHIMANO Sora
Shift Levers
SHIMANO Sora (18)
Cassette
SHIMANO HG400-9, 11-32 (9)
Crank
PROWHEEL RPL, 48-32 teeth, 172.5 / 175 mm cranks
Chain
SHIMANO HG53
Wheels
Front Hub
QUANDO Road Disc, 12 × 100 mm thru front axle, 32 holes
Rear Hub
QUANDO Road Disc, 12 × 100 mm thru front axle, 32 holes
Rims
JALCO SRD 21, 32 holes
Spokes
black stainless steel 2.0 mm
Tires
PANARACER Gravel King SK Sport 700 × 38c
Brakes
Brakes
SHIMANO RS305, disc mechanical (160 mm rotors)
Cockpit
Stem
AUTHOR alloy
Handlebar
PROMAX 420 / 440 / 460 mm
Seat
Saddle
AUTHOR Guru
Seatpost
AUTHOR alloy (27.2)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 50cm | 52cm | 54cm | 56cm | 58cm |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.45 mm | 1.487 mm | 1.518 mm | 1.534 mm | 1.579 mm |
| Bottom Bracket Height | 279 mm | 279 mm | 280 mm | 281 mm | 281 mm |
| Front Center | 599 mm | 605 mm | 616 mm | 626 mm | 630 mm |
| Rake | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
| Trail | 76 mm | 73 mm | 73 mm | 69 mm | 65 mm |
| Stack | 548 mm | 568 mm | 586 mm | 606 mm | 627 mm |
| Reach | 378 mm | 382 mm | 386 mm | 395 mm | 397 mm |
| Top Tube Length | 530 mm | 545 mm | 560 mm | 580 mm | 595 mm |
| Seat Tube Angle | 74.5 ° | 74 ° | 73.5 ° | 73 ° | 72.5 ° |
| Seat Tube Length | 500 mm | 520 mm | 540 mm | 560 mm | 580 mm |
| Head Tube Angle | 70.5 ° | 71 ° | 71 ° | 71.5 ° | 72 ° |
| Head Tube Length | 120 mm | 140 mm | 160 mm | 180 mm | 200 mm |
| Chainstay Length | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 1014 mm | 1020 mm | 1031 mm | 1042 mm | 1046 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 69 mm | 68 mm | 68 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 160 cm | 168 cm | 176 cm | 183 cm | 190 cm |
| Rider Max Height | 170 cm | 178 cm | 185 cm | 193 cm | 205 cm |
Model Overview
Aura XR3 is an Author Aura model. There are 21 bikes that carry this model name. You can easily view all of the Author Aura bikes models from 2024, here.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for Gravel bikes
According to our math, the average price for a trustworthy Gravel bike is 2462$. However, even though the average price of a Gravel bike is lower, you might still be able to get a top-quality bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Average weight for Gravel bikes
On a deeper look, we notice that the average weight of a Gravel bike is 8.13 kg (17.92 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
Weighing 11.1 kg (24.47 lbs), the Aura XR3 model is much heavier than average. To sum up, it’s 36.53% heavier than the average weight of Gravel bikes.
Aura XR3 components
Fork material
When it comes to the fork, this bike has an aluminum one, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels size
The wheels on Aura XR3 are the 700c aluminum type. These wheels are the most used kind for road bikes in general. However, these wheels don’t perform so well when passing over obstacles.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Mechanical Disc brakes. They deliver good performance and cost less than hydraulic disk brakes. However, they don’t have the stopping power of hydraulic brakes.
Sizes
Author Aura XR3 bike has 5 sizes, in the range of 160 cm – 205 cm (5.25 ft – 6.73 ft). In conclusion, it won’t take much to find one that’s right for you.