The AUTHOR Impulse ASL 29" is a women’s hardtail MTB bike designed for comfortable riding in the city, parks, gravel roads, and light forest trails. The model is built around a 6061 aluminium frame with ASL geometry, adapted for a comfortable women-specific riding position. The large 29-inch wheels help roll smoothly over uneven surfaces, while the SUNTOUR XCM32 NLO suspension fork with 100 mm travel and lockout adds comfort and control during the ride.

The bike is equipped with an 18-speed Shimano Cues drivetrain, offering a wide gear range for climbs, flat sections, and mixed terrain. TEKTRO HD-M276 hydraulic disc brakes provide stable and predictable braking performance in various weather conditions.

The 16" frame size is suitable for riders approximately 148–165 cm tall.

Main specifications:

• Model: AUTHOR Impulse ASL
• Model year: 2026
• Bike type: women’s mountain bike, hardtail
• Frame size: 16"
• Recommended rider height: 148–165 cm
• Frame material: 6061 aluminium
• Frame: 6061 aluminium 29" ASL
• Wheel size: 29"
• Front fork: SUNTOUR XCM32 NLO 27.5 / 29 lock out
• Fork travel: 100 mm
• Headset: PRESTINE Integrated 1-1/8"
• Number of speeds: 18
• Front derailleur: SHIMANO Cues 4010, 34.9 mm
• Rear derailleur: SHIMANO Cues 3020
• Shifters: SHIMANO Cues 4000, 18-speed
• Cassette: SHIMANO CS-LG300-9, 11–36T
• Crankset: SHIMANO Cues 4000-2, 36–22T
• Crank length: 170 / 175 mm
• Bottom bracket: SHIMANO BB-UN101
• Chain: KMC XGlide
• Brakes: TEKTRO HD-M276 hydraulic disc brakes
• Rotors: 6"
• Brake levers: TEKTRO HD-M276 WS
• Hubs: QUANDO Disc, 32 holes
• Rims: AUTHOR Xenon 27.5 / 29 TRC, aluminium, 32 holes
• Spokes: black steel, 1.8 mm
• Front tire: AUTHOR Rock Drive 29" x 2.00"
• Rear tire: AUTHOR Rock Drive 29" x 2.00"
• Handlebar: AUTHOR alloy rise 25 mm, 660 / 680 mm width
• Grips: AUTHOR pressed foam
• Stem: AUTHOR aluminium
• Seatpost: AUTHOR aluminium, 31.6 mm
• Seat clamp: AUTHOR, 34.9 mm
• Saddle: AUTHOR Fenix
• Pedals: plastic
• Weight: 14.7 kg

The AUTHOR Impulse ASL 29" is a reliable option for women looking for a comfortable and capable mountain bike with large wheels, a wide gear range, stable handling, and confident hydraulic braking performance.