Bike details
Key information split into simple groups.
Bike summary
-
Category
-
Frame Aluminum
-
Wheels 29"
-
Travel Front 100mm
-
Fork RST BLAZE
-
Groupset Altus, Tourney
-
Suspension Hardtail
-
Drivetrain 3 × 8
-
Brakes Hydraulic Disc
Recommended size guide.
17"
168cm - 180cm
19"
177cm - 190cm
21"
187cm - 202cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
alloy 6061 29"
Suspension Fork
RST Blaze 29 ML oil, lock out (100 mm)
Drivetrain
Rear Derailleur
SHIMANO Altus
Front Derailleur
SHIMANO TY700 (34.9)
Shift Levers
SHIMANO Altus (24)
Cassette
SHIMANO HG200-8 12-32 (8)
Crank
PROWHEEL 42-34-24 teeth 170 / 175 mm cranks
Chain
KMC Z8.1
Pedals
resin
Wheels
Front Hub
QUANDO Disc 32 holes
Rear Hub
QUANDO Disc 32 holes
Rims
AUTHOR Xenon 29 32 holes
Spokes
black steel
Tires
AUTHOR Rocket 29" x 2.10"
Brakes
Brakes
TEKTRO disc hydraulic (6" rotors)
Cockpit
Stem
AUTHOR alloy
Handlebar
AUTHOR Flatbar 10° 700 mm
Grips
AUTHOR kratton rubber
Seat
Saddle
AUTHOR Courier
Seatpost
AUTHOR alloy (31.6)
Fit data
Numbers for sizing and ride feel.
| Size | 17" | 19" | 21" |
|---|---|---|---|
| Stack Reach Ratio | 1.56 mm | 1.53 mm | 1.49 mm |
| Bottom Bracket Height | 311 mm | 311 mm | 311 mm |
| Front Center | 682 mm | 703 mm | 724 mm |
| Rake | 51 mm | 51 mm | 51 mm |
| Trail | 90 mm | 90 mm | 89 mm |
| Stack | 630 mm | 644 mm | 653 mm |
| Reach | 405 mm | 421 mm | 438 mm |
| Top Tube Length | 598 mm | 618 mm | 638 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 432 mm | 483 mm | 535 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 115 mm | 130 mm | 140 mm |
| Chainstay Length | 443 mm | 443 mm | 443 mm |
| Wheelbase | 1118 mm | 1139 mm | 1160 mm |
| Bottom Bracket Drop | 63 mm | 63 mm | 63 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 168 cm | 177 cm | 187 cm |
| Rider Max Height | 180 cm | 190 cm | 202 cm |
About this model
Impulse 29 is part of the Author Impulse model. Author released 25 bikes variations of this model so far. You can easily view all of the Author Impulse bikes models from 2019, here.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Crosscountry bikes average price
If you want an acceptable Crosscountry bike you should know that the average price is 1905$. However, even if your budget is less than the average, you might still be able to get a top-quality Crosscountry bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Average weight for Crosscountry bikes
Crosscountry bikes weigh an average of 12.4 kg (27.34 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.
Weighing 14.8 kg (32.63 lbs), the Impulse 29 model is much heavier than average. To sum up, it’s 19.35% heavier than the average weight of Crosscountry bikes.
Overview of components
Fork
Author Impulse 29 2019 bike is equipped with the RST BLAZE fork, and has 100mm travel. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In conclusion, always look for a fork with decent travel when you buy a bike.
Wheels
The wheels on Impulse 29 are the 29″ aluminum type. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, the 29″ wheels will add a little more weight to the bike itself.
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, you can ride your bike with confidence.
Sizes
This bike is available in 3 sizes. They vary from 168 cm – 202 cm (5.51 ft – 6.63 ft). In conclusion, finding one for you shouldn’t be a problem.
