ROCKBROS MT400 Mountain Bicycle Experience versatile performance on trails, cross-country routes, and urban rides with the ROCKBROS MT400 Mountain Bike. Built with a lightweight aluminum alloy frame and a responsive hydraulic suspension fork, this bike handles rough terrain and smooth surfaces with equal confidence. The 10-speed Shimano CUES drivetrain ensures precise shifting for every ride, while puncture-resistant 29×2.1” tires provide reliable traction. Designed for both performance and comfort, the ROCKBROS MT400 features an ergonomic saddle, flat handlebars, and adjustable seatpost. Its hydraulic disc brakes deliver safe, consistent stopping power in all conditions. Perfect for mountain bikers, commuters, or weekend adventurers seeking a dependable, high-performance ride. Key Features • Frame: ROCKBROS Aluminum Alloy, lightweight and durable • Front Fork: Hydraulic suspension with remote lockout and adjustable air pressure • Drivetrain: SHIMANO CUES SL U6000 10-speed with precise shifting • Brakes: SHIMANO BL-MT200 hydraulic disc brakes for reliable stopping power • Crankset: Haomeng hollow integrated aluminum alloy, 36T • Rims & Wheels: Aluminum alloy double-layer rims, 21mm height, quick-release hubs • Tires: Zheng xin 29×2.1” puncture-resistant with F/V valve • Weight: Approx. 14.7 kg (Size M) • Handlebar & Seat: 31.8mm aluminum alloy flat bar, ROCKBROS saddle, adjustable aluminum seatpost Shipping Please email us at [email protected] for a delivery ETA or to confirm shipping details. Why You’ll Love It The ROCKBROS MT400 Mountain Bike combines strength, precision, and comfort in one package. Its aluminum frame and suspension fork deliver smooth rides on challenging terrain, while the Shimano 10-speed drivetrain ensures effortless gear transitions. Puncture-resistant tires and hydraulic disc brakes keep you safe and confident on every ride. Engineered for durability and long-term performance, this bike is trusted by riders seeking reliability, control, and adventure-ready design. Category Specification Frame ROCKBROS Aluminum Alloy Frame Front Fork Hydraulic Suspension, Remote Lockout / Adjustable Air Pressure Handlebar 31.8mm Aluminum Alloy Flat Bar Stem ROCKBROS Aluminum Alloy Saddle ROCKBROS Saddle Seatpost Aluminum Alloy Seatpost Shifter SHIMANO CUES SL U6000 Derailleur SHIMANO CUES RD U6000 Freewheel 10-Speed Cassette, 11–50T Brakes SHIMANO BL-MT200 Hydraulic Disc Brakes Crankset Haomeng Hollow Integrated Aluminum Alloy Crank, 36T Rims Aluminum Alloy Double-Layer Rim, 21mm Height Hubs Aluminum Alloy Bearing Quick-Release Hubs Spokes 14G Medium-Carbon Steel with Brass Nipples Crank Arm Aluminum Alloy Tires Zheng xin 29×2.1” Puncture-Resistant (F/V Valve) Chain 10-Speed Chain Weight ≈14.7 kg (Size M)