Full Suspension Mountain Bike with Disc Brakes, 17in E903307

Disc Brakes Front and Rear, Strong and Durable Aluminum Frames Easy to Use Shimano Shifters Adjustable Suspension - Front and Rear! Strong and Light Double Wall Rims, Quick Release Wheels - Front and Rear Requires Assembly and Tuning Before Riding! Here's a great quality, affordable entry level 24 speed dual suspension road bike and one of our best sellers. It features an Advanced aluminum frame with Single Pivot technology, adjustable rear coil over cartridge shock, Shimano drivetrain and a adjustable front shock! br br New Features: /b NEW Welded Aluminum Frame, lighter, higher performance hydroformed tubing br Tektro Novello mechanical DISC BRAKES br SHIMANO M190 REAR DERAILLEUR br Suntour TRIPLE ALUMINUM CRANKSET br br General Sizing Guide /b br br 15" = X Small/ Small - Standover = 26.1" fits up to 5'6" br 17"= Small / Medium - Standover = 27.5" Fits up to 5'8" br 19" = Medium /Large - Standover = 29" Fits up to 6' br 21"= Large / X Large - Standover = 30.5" Fits 6'1" and larger br These are approximate sizes. Final choice is up to you and your personal preferences.