One of Haro's most versatile and affordable bikes, the Flightline One keeps its best features with a brand new X6 series alloy frame design, internal cable routing and an HL suspension fork with 80mm of travel to smooth out all the bumps. The FL One has tried-and-true alloy double-wall rims, a Shimano rear alloy hub, stainless steel spokes and 2.2" wide tires with multi-surface tread patterns ideally suited to on-road riding as well as off-road. Its 21-speed drive-train has everything you need to get there and nothing you don't. DERAILLEUR SHIFTERS Shimano EF-41 3--7-spd. FRONT DERAILLEUR Shimano Tourney TY-500. REAR DERAILLEUR Shimano Tourney TY-300. FRAME. New MY21 Haro Flightline FL4G 6000 series Aluminum | for 27.5″ wheels | Internal cable Routing. FORK HL CH-389 | 27.5″ 80mm Travel. STEM Pivit melt forged | 31.8mm. SPOKE Steel BED. SEAT POST CLAMP Pivit Aluminum 34.9mm quick release. SEAT POST Pivit Aluminum micro adjust 30.9x350mm. SADDLE Haro Flightline. TYRES H-5129 27.5 x 2.2″. PEDALS Nylon body | Chromoly axles|Platform. HUB Pivit Aluminum front hub | Shimano TY-500 cassette rear hub | 32h. HEADSET 1-1/8″ threadless Internal | loose ball | Aluminum 10mm top cone. HANDLEBAR Pivit Aluminum 25mm riser bar 31.8mm. GRIPS Haro MTB Kraton. FREEWHEEL Shimano CS-HG200 7-spd cassette 12-32T. CRANK SET Samox SAC26 Aluminum 42/34/24T | 170/175mm. CHAIN KMC Z7 | 7-spd | 1/2″--3/32. BRAKE LEVER Shimano EF-41. BRAKE Promax TX-121 V-Brakes. BOTTOM BRACKET Sealed cartridge. WHEELS XD-180 Aluminum double wall. 13" frame - 26" Wheel. 14",16", & 18" frame 27.5" Wheel