The Alaskan Alloy Frame offers incredible performance, rider comfort and overall value. The Hydroformed 6061 Alloy frame has smooth sanded welds giving it an almost carbon look. The lines flow perfectly and give the rider plenty of stand over and room for control in the rough stuff. The frame has a tapered head tube and a replaceable derailleur hanger. Now available in several awesome color combinations. This bike even looks fast! Set it up with our FRAMED Alloy fork, our EFBE approved Carbon fork or a suspension fork from Rock Shox or RST for all mountain adventure. Material: Hydroformed, TIG Welded 6061 Alloy. Frame Head tube: Tapered. Headset required: 1 1/8th to 1 1/2. Seat Post size: 30.9. Replaceable Derailleur Hanger. Rear Spacing: 190mm, 10mm QR. Rear Tire size to 4.50 on 100mm rim. Bottom Bracket Spacing 100mm. Warranty: 5 Year against Manufacturers Defects. Weight: 5Lbs 8 oz.