Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 27.5" -
Travel Front 100mm -
Fork RST F1RST
-
Groupset Deore, Shimano -
Suspension Hardtail -
Drivetrain 2 × 10 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
14"
140cm - 158cm
16"
155cm - 173cm
18"
170cm - 188cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
double butted hydroformed alloy 6061 27.5" (ASL)
Suspension Fork
RST F1RST 27.5 15 TRL air, remote lock out (100 mm)
Drivetrain
Rear Derailleur
SHIMANO Deore
Front Derailleur
SHIMANO Deore (34.9)
Shift Levers
SHIMANO Deore (20)
Cassette
SHIMANO HG500-10 11-42 (10)
Crank
SHIMANO 38-24 teeth 170 mm cranks
Chain
KMC X10
Wheels
Front Hub
AUTHOR Xenon 32 holes
Rear Hub
AUTHOR Xenon 32 holes
Rims
AUTHOR Xenon Pro 27.5 32 holes
Spokes
black stainless steel 2.0 mm
Tires
VITTORIA Barzo kevlar 27.5" x 2.25"
Brakes
Brakes
SHIMANO BT M400 disc hydraulic (6" rotors)
Cockpit
Stem
AUTHOR alloy
Handlebar
AUTHOR 9° 640 / 660 mm
Grips
AUTHOR GripLock foam
Seat
Saddle
AUTHOR Fenix
Seatpost
AUTHOR alloy (31.6)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 14" | 16" | 18" |
|---|---|---|---|
| Stack Reach Ratio | 1.64 mm | 1.6 mm | 1.54 mm |
| Bottom Bracket Height | 310 mm | 310 mm | 310 mm |
| Front Center | 612 mm | 633 mm | 659 mm |
| Rake | 44 mm | 44 mm | 44 mm |
| Trail | 83 mm | 86 mm | 86 mm |
| Stack | 606 mm | 613 mm | 622 mm |
| Reach | 369 mm | 382 mm | 404 mm |
| Top Tube Length | 552 mm | 567 mm | 592 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 356 mm | 406 mm | 457 mm |
| Head Tube Angle | 70 ° | 69.5 ° | 69.5 ° |
| Head Tube Length | 110 mm | 120 mm | 130 mm |
| Chainstay Length | 432 mm | 432 mm | 432 mm |
| Wheelbase | 1040 mm | 1061 mm | 1087 mm |
| Bottom Bracket Drop | 45 mm | 45 mm | 45 mm |
| Wheels | 27" | 27" | 27" |
| Rider Min Height | 140 cm | 155 cm | 170 cm |
| Rider Max Height | 158 cm | 173 cm | 188 cm |
Model Overview
Instinct ASL 27.5 is an Author Instinct model. Author launched 20 bikes of this model so far. Check out the entire range from 2019 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.
Crosscountry bikes average price
If you want an acceptable Crosscountry bike you should know that the average price 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
Crosscountry bikes have an average weight of 12.4 kg (27.34 lbs). An easier bike will give you a big advantage in climbs. However, a heavier bike can gain speed when you descend.
With a weight of 12 kg (26.46 lbs), Author bike is slightly lighter than average. To sum up, it’s 3.33% lighter than the average weight of Crosscountry bikes.
Instinct ASL 27.5 components
Fork
Author Instinct ASL 27.5 2019 bike is equipped with the RST F1RST fork, and has 100mm travel. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels
As for the wheels, Author Instinct ASL 27.5 2019, 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
For your safety, it is important to have quality breaks on your bike. Author Instinct ASL 27.5 has Hydraulic Disc brakes installed. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, your safety is in good hands.
Sizes
Instinct ASL 27.5 comes in 3 sizes, that range from 140 cm – 188 cm (4.59 ft – 6.17 ft). In conclusion, it won’t take much to find one that’s right for you.