Frame Size 16", 18", 20" Wheel Size 27.5+ Frame Heat treated/butted 6061 aluminum and Mountain geometry with assymetrical chain stays Fork SR Suntour XCM with lockout Rear Shock N/A Headset N/A Cranks Samox 30T Chainring with forged alloy crank arms Bottom Bracket Sealed cartridge with oversized berarings Front Derailleur N/A Rear Derailleur SRAM NX 1X11 Cog Set " SRAM NX PG 1130 11-42(11,13,15,17,19,22,25,28,32,36,42) " Shifter SRAM NX 1X11 Trigger Shifter Number of gears 11 Chain KMC Hub F Aluminum with QR Hub R Aluminum with QR Spokes 14g Rims Double wall alloy, 27.5+ X 30mm , plus-sized rim Tires Kenda Havok 27.5x2.8/2.35 Brakes TEKTRO Mechanical Disc Brakes Brake Levers TEKTRO Alloy Levers Pedals Steel Handlebar " ALLOY 720mm BAR CENTER:31.8 MM Rise:12MM. 6 Degree backSweep " Grips MTB Stem N/A Seat Mountain saddle Seat Post 27.2X 350 alloy with sanded finish Extras N/A Average Bike Weight 35 lbs. The Nishiki(R) Men's Colorado Comp 1X 27.5+ Mountain Bike gives you easy maneuvering, simple shifting, and a fun ride on the trails and singletracks. It features a lighter frame, a 1x11 drivetrain for efficient performance, and disc brakes for confident stops. There is less wear on drivetrain components so you can avoid cross chaining and wear on chain and sprocket teeth. Kick stand not included FREE STANDARD SHIPPING ON ALL BIKES SIZE CHART: NOTICE: Used Bikes and/or bikes purchased online that have been assembled are non-returnable. We strongly recommend that a professional bicycle mechanic properly assembles, repairs, and maintains the bicycle. DICK'S Sporting Goods will provide free in-store assembly service by a certified technician for any bicycle purchased on our website or in our stores (proof of purchase required). If you choose to assemble the bicycle yourself, DICK'S Sporting Goods is not responsible for injuries or damages resulting from improper assembly.