Mountain bike | Cycle touring the slim zipped frame bag keeps tools and first aid kit always within reach reflective 3M prints can be securely fastened with three Velcro straps in the rear frame triangle Disclaimer: Sand, dust and incorrectly packed bags can make the paint in contact areas become dull or scratched over time. To avoid any chafing, you can protect the frame or rack with foam inserts or protective film before attaching bags or panniers.