This looks pretty much like the first mountain bike I had somewhen late 80s early 90s. Kettler Aluminum Rad | Vintage mountain bike, Mountain biking, Bike
KETTLER QUADRIGA TOWN & COUNTRY COMP C2 review | E-MOUNTAINBIKE Magazine
Set compatible For Kettler Vinyl Reflective Bicycle Bike Frame MTB BMX Road Decal Stickers Decorative 13 Pieces (Brushed Gold)