Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2023 Author

Impulse 29 ASL

A 29″ aluminum frame hardtail crosscountry bike with modest components.
Compare the full range

Weight32.2 lbs  
FrameAluminum
SuspensionHardtail, 100mm
ForkRST BLAZE
Wheels29″ Aluminum
Drivetrain3 × 8
GroupsetAltus
BrakesTektro Hydraulic Disc
View on en.author.euLearn about Author
Add to Comparison
Shop with a Gear Advisor
Where to Buy
Similar Bikes
Top Comparison

View more similar bikes →

Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Impulse 29 ASL
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

29 mph

Impulse 29 ASL

27 mph

Similar Bikes

Highest gear

(descending)

Sizing
16"

5'1" – 5'7"

18"

5'5" – 6'0"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Geometry
Specs
Build
Frame

alloy 6061 29" (ASL)

Colors: Silver-Matt / Pink; White / Blue

Fork

RST Blaze 29 ML, lock out (100 mm)

Travel: 100mm

Spring Type: Coil

Stem

AUTHOR alloy

Handlebar

AUTHOR rise 15 mm, 9°, 660 / 680 mm

Saddle

AUTHOR Fenix

Seatpost

AUTHOR alloy (31.6)

Type: Rigid

Pedals

resin

Grips

AUTHOR high density foam

Groupset
Rear Derailleur

SHIMANO Altus

Crank

PROWHEEL, 40-30-22 teeth, 170 / 175 mm cranks

Shifters

SHIMANO Altus (24)

Cassette

SHIMANO HG200-8, 12-32 (8)

Chain

KMC Z8.3

Brakes

TEKTRO HD-M276, disc hydraulic (6" rotors)

Type: Tektro Hydraulic Disc

Wheels
Rims

AUTHOR Xenon 29, 32 holes

Spokes

black steel

Front Hub

QUANDO Disc, 32 holes

Rear Hub

QUANDO Disc, 32 holes

Tires

AUTHOR Speed Master 29" × 2.00"

Rider Notes
Riders Also Viewed

First added October 28

Last updated January 6

Not listed for 874 days