SPATIAL Mountain Bike — 24/26/27.5/29 Inch Outdoor Cycling Bicycle, Lightweight Aluminum Frame, 21/8 Speed, Dual Mechanical Disc Brakes, Adjustable Ergonomic Seat for Men Women Teens

- Aluminum Frame & Sizes: Constructed from high-grade aluminum alloy for a sturdy yet lightweight build (approx. 33 lbs); available in 24, 26, 27.5 and 29 inch wheel options. - Fit & Seat Adjustment: Ergonomically designed with an adjustable seat post to suit riders 146-162 cm (4'8"-5'3"), ideal for men, women and teens for trail rides or everyday commuting. - Shimano Gearing System: Fitted with a Shimano 7-speed rear derailleur and a 3x7 drivetrain to provide smooth, reliable shifting on steep climbs and flat surfaces. - All-Weather Mechanical Disc Brakes: Dual mechanical disc brakes deliver stronger stopping power than rim brakes and remain consistent in rain, mud or dirty conditions. - Suspension Fork & Tires: Front suspension fork absorbs shocks from roots and rocks and includes a lockout for improved climbing efficiency; matched with 26" x 2.10" tires for solid traction on dirt paths and pavement. - Easy Assembly & Support: Arrives about 85% pre-assembled with clear instructions and basic tools included; an installation video is available on the product page to simplify setup, making it great for beginners and first-time buyers.