Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 27.5" -
Travel Front 80mm -
Fork RST AERIAL
-
Groupset Deore -
Suspension Hardtail -
Drivetrain 1 × 10 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
14"
140cm - 158cm
16"
155cm - 173cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
triple butted hydroformed alloy 6061 27.5"
Suspension Fork
RST Aerial 27.5 TnL air, lock out (80 mm)
Drivetrain
Rear Derailleur
SHIMANO Deore
Shift Levers
SHIMANO Deore (10)
Cassette
SHIMANO M4100-10 11-46 (10)
Crank
PROWHEEL 32 teeth 165 / 170 mm cranks
Chain
KMC X10
Pedals
alloy
Wheels
Front Hub
QUANDO Disc 32 holes
Rear Hub
QUANDO Disc 32 holes
Rims
AUTHOR Xenon TRC 27.5 32 holes
Spokes
black stainless steel 2.0 mm
Tires
CST B-Trail aramid 27.5" × 2.25"
Brakes
Brakes
TEKTRO Auriga disc hydraulic (6" rotors)
Cockpit
Stem
AUTHOR alloy
Handlebar
AUTHOR Flat Top bar 9° 620 / 640 mm
Grips
AUTHOR kratton rubber
Seat
Saddle
AUTHOR Champion
Seatpost
AUTHOR alloy (31.6)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 14" | 16" |
|---|---|---|
| Bottom Bracket Height | 310 mm | 310 mm |
| Front Center | 636 mm | 651 mm |
| Rake | 43 mm | 43 mm |
| Top Tube Length | 557 mm | 582 mm |
| Seat Tube Angle | 74 ° | 73.5 ° |
| Seat Tube Length | 356 mm | 406 mm |
| Head Tube Angle | 69 ° | 69.5 ° |
| Head Tube Length | 110 mm | 115 mm |
| Chainstay Length | 427 mm | 427 mm |
| Wheelbase | 1059 mm | 1074 mm |
| Bottom Bracket Drop | 45 mm | 45 mm |
| Wheels | 27" | 27" |
| Rider Min Height | 140 cm | 155 cm |
| Rider Max Height | 158 cm | 173 cm |
Model Overview
Sonic 27.5 belongs to the Author Sonic model. 7 bikes variations carry this model name so far.
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 Crosscountry bikes
Our math shows that the average cost of a dependable Crosscountry bike is 1905$. However, you could also get a good Crosscountry bike even if you pay a lower amount than the average price. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Average weight for Crosscountry bikes
On a deeper look, we notice that the average weight of a Crosscountry bike is 12.4 kg (27.34 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
With a weight of 12.2 kg (26.9 lbs), Author bike is slightly lighter than average. To sum up, it’s 1.64% lighter than the average weight of Crosscountry bikes.
Sonic 27.5 components
Fork
Author Sonic 27.5 2022 bike is equipped with the RST AERIAL fork, and has 80mm travel. Bike forks are perfect to absorb shocks and provide a great riding experience overall. In short, make sure you choose one with a decent fork when you purchase your dream bike.
Wheels size
As for the wheels, Author Sonic 27.5 2022, has a 27.5″ aluminum model. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, these are ideal for anyone.
Sizes
This bike is available in 2 sizes. They vary from 140 cm – 173 cm (4.59 ft – 5.68 ft). In conclusion, you won’t have a problem finding one that suits you.