GT I-Drive XCR mountain bike frame. Year 2000 original, lightly used. Mechanically in great condition. Size is Medium 17"-18" by GT measurements I-drive system has been recently serviced, cleaned, and bearings greased Operates smoothly 26" inch Disk or linear brakes ready Uses 6.5" eye to eye rear shock Includes derailleur hanger Includes rear shock mounting hardware Please see details in pics Feel free to ask any questions Shipping within 2 business days