Compare: 2015 Author Impulse 29 vs Impulse

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

Bike Comparison

Only show differences

	Impulse 292015 Author	Impulse2015 Author

MSRP
Where to Buy	— $1 At	— $1 At
Category	Crosscountry	Crosscountry
Weight	32.2 lbs	32.0 lbs
	3.4	3.4
Frame	Aluminum	Aluminum
	RST BLAZE	RST GILA
Wheels	Aluminum	Aluminum
Wheel Size	29″	27.5″
	Tektro Hydraulic Disc	Tektro Hydraulic Disc
	Altus	Altus
Drivetrain	3 × 7	3 × 7
Suspension	Hardtail	Hardtail
Front Travel	100mm	100mm
Brand Site	en.author.eu	en.author.eu
Summary	The Author Impulse 29 and Author Impulse are both aluminum frame hardtail crosscountry bikes with modest components. The Impulse 29 has 29″ aluminum wheels, while the Impulse has 27.5″ aluminum wheels.

Ask 99 Spokes

Want to ask an actual human?

Get free advice from a Gear Advisor at Jenson USA

Similar Bikes

Insights

Ride Feel

Based on frame geometry and build specs.

Terrain

easyextreme

Handling

nimblestable

Impulse 29

Impulse

Other Crosscountry bikes

Gear Range

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)

30 mph

Impulse 29

29 mph

Impulse

Highest gear

(descending)

Geometry

Specs

	Impulse 292015 Author	Impulse2015 Author

Frame	alloy 6061 29"	alloy 6061 27.5"
Fork	RST Blaze 29 ML lock out (100 mm) Travel: 100mm Spring Type: Coil	RST Gila 27.5 ML lock out (100 mm) Travel: 100mm Spring Type: Coil
Stem	AUTHOR alloy	AUTHOR alloy
Handlebar	AUTHOR Flatbar 0 mm 700 mm	AUTHOR 20 mm 660 / 680 mm
Saddle	AUTHOR Courier	AUTHOR Courier
Seatpost	AUTHOR alloy (31.6) Type: Rigid	AUTHOR alloy (31.6) Type: Rigid
Pedals	resin	resin
Grips	AUTHOR high density foam	AUTHOR high density foam

Groupset

Rear Derailleur	SHIMANO Altus	SHIMANO Altus
Front Derailleur	SHIMANO M190 (34.9)	SHIMANO M190 (34.9)
Crank	PROWHEEL 42-32-22 teeth 170 / 175 mm cranks	PROWHEEL 42-34-24 teeth 170 / 175 mm cranks
Shifters	SHIMANO Altus (21)	SHIMANO Altus (21)
Cassette	SHIMANO HG20-7 12-32 (7)	SHIMANO HG20-7 12-32 (7)
Chain	KMC Z51	KMC Z51
Brakes	TEKTRO Auriga disc hydraulic (7" rotors) Type: Tektro Hydraulic Disc	TEKTRO Auriga disc hydraulic (6" rotors) Type: Tektro Hydraulic Disc

Wheels

Riders Also Compared