Author Grand 29 gris niebla/negro 20 2026 - bicicleta de montaña 29 inch aluminio triple conificado, Shimano Altus 2x9, freno de disco hidráulico

Built around a triple butted 6061 alloy frame and a 100 mm RST Gila TNL suspension fork with lockout, the Author Grand 29 delivers a responsive and controlled ride on demanding trails. The 29-inch wheels roll over obstacles with ease, while the 2x9 Shimano Altus drivetrain offers a wide gear range for climbing and descending. Tektro hydraulic disc brakes with 160 mm rotors provide consistent stopping power in all conditions.

Overview

The Author Grand 29 is a versatile hardtail mountain bike designed for cross-country and trail riding. Its 20-inch (L) frame fits riders who prefer a more upright and stable position, while the foggy grey and black finish gives it a modern, understated look. The bike is equipped with a reliable Shimano Altus 2x9-speed drivetrain, featuring an Altus front derailleur, rear derailleur, and shifters for smooth gear changes. The RST Gila TNL fork absorbs trail chatter and can be locked out for efficient climbing on smooth surfaces.

What stands out

• Triple butted 6061 alloy frame balances strength and low weight
• 100 mm suspension fork with lockout for adjustable performance
• Shimano Altus 2x9 drivetrain with 18 speeds for versatile gearing
• Tektro hydraulic disc brakes with 160 mm rotors for reliable stopping
• 29-inch wheels with Author Speed Master tires for fast rolling
• Author alloy flat bar and King Apollo saddle for comfort and control

Technical details

• Frame: Triple Butted Alloy 6061, 20" (L)
• Fork: RST Gila TNL, 100 mm travel, lockout
• Shifters: Shimano Altus SL-M2010
• Rear Derailleur: Shimano Altus RD-M2000
• Front Derailleur: Shimano Altus FD-M2020
• Crankset: Shimano Altus FC-MT210 (36-22T)
• Cassette: Shimano CS-HG200-9 (11-36T)
• Brakes: Tektro HD-M275 hydraulic disc, 160 mm rotors
• Tires: Author Speed Master 29" x 2.00"
• Handlebar: Author Alloy Flat Bar
• Saddle: Author King Apollo

Our verdict

The Author Grand 29 combines a durable triple butted frame, smooth 2x9 drivetrain, and powerful hydraulic brakes, making it a solid choice for riders seeking a reliable and efficient hardtail for cross-country adventures.