The Trek Powerfly Internal Cable Guides are designed to neatly route the cables on your Powerfly electric mountain bike. These internal cable guides ensure a clean and sleek look while also protecting the cables from damage and interference. Made from durable materials, these guides are built to last and provide a secure and reliable way to keep your cables in place. Easy to install and designed specifically for the Powerfly range, these guides are a must-have accessory for any rider looking to optimize their bike's performance and aesthetics.Upgrade your Powerfly electric mountain bike with the Trek Powerfly Internal Cable Guides and enjoy a more streamlined and efficient riding experience.