Please be aware you might have to pay custom charges when purchasing this item. Klein Fervor Aluminum Mountain Bike Frame 26 Red. This product data sheet is originally written in English. Thank you for your interest in this quality mountain bike frame. There are paint chips, surface marks and scratches. The drop outs, bottom bracket and head tube are in good shape. Seat tube center of BB to collar: 18. Top tube center to center actual: 22.5. Head tube: 1″ x 4.5″. 73mm BB (Pressfit bearing). Measurements: Seat tube center of BB to collar: 18″ Top tube center to center actual: 22.5″ Head tube: 1″ x 4.5″ 135mm QR 73mm BB (Pressfit bearing).