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 | 1.49 mm | 1.52 mm | 1.54 mm | 1.58 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 | 546 mm | 566 mm | 584 mm | 604 mm | 625 mm |
| Reach | 376 mm | 380 mm | 384 mm | 393 mm | 395 mm |
| Top Tube Length | 528 mm | 543 mm | 558 mm | 578 mm | 593 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 | 423 mm | 423 mm | 423 mm | 423 mm | 423 mm |
| Wheelbase | 1012 mm | 1018 mm | 1029 mm | 1040 mm | 1044 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 |
About this model
Aura XR3 is an Author Aura model. 16 bikes variations carry this model name so far. Check out the entire range from 2023 of this model, by clicking this link.
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. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Average weight for Gravel bikes
On a deeper look, we notice that the average weight of a Gravel bike is 8.45 kg (18.63 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
Author Aura XR3 it’s weighing 11.1 kg (24.47 lbs). At this weight, is much heavier than average. In short, the average Gravel bike weight is 31.36% lower than this one.
Overview of components
Fork material
When it comes to the fork, this bike has an aluminum one, which doesn’t add too much extra weight to the bike. However, it is not so stiff as steel or carbon forks are.
Wheels size
The wheels on Aura XR3 are the 700c aluminum type. There is no doubt, that 700c wheels are very popular on all road bike models. However, these wheels don’t perform so well when passing over obstacles.
Brakes
Nothing is more important on a bike than its ability to brake properly. Author Aura XR3 is equipped with Mechanical Disc brakes. They are much easier to maintain than hydraulic disk brakes. However, they don’t have the stopping power of hydraulic brakes.
Sizes
There are 5 sizes available for this model. Rider height can be anywhere between 160 cm – 205 cm (5.25 ft – 6.73 ft). In short, you can easily find one that suits you.