Powerfly 5 is a highly capable electric mountain bike for a great value. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that fully encases the battery in the frame, yet doesn't require tools for removal. Powerfly 5 is an e-MTB that pairs the boost of a Bosch electric bike system and the sleek looks of a traditional trail bike. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that fully encases the battery in the frame, yet doesn't require tools for removal. It pairs a high-end Bosch e-MTB drive system with durable mountain bike components built to stand up to the trail. It pairs a high-end Bosch e-MTB drive system with durable mountain bike components built to stand up to the trail. Powerfly 5 is a highly capable electric mountain bike for a great value. Powerfly 5 is a highly capable electric mountain bike for a great value. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that fully encases the battery in the frame, yet doesn't require tools for removal. Powerfly 5 is an e-MTB that pairs the boost of a Bosch electric bike system and the sleek looks of a traditional trail bike. Cameron McNeish . Trek’s latest Powerfly hardtail electric bike is a progression of its predecessor, with a refined frame and drive system and broad range of sizes and build options. The Removable Integrated Battery (RIB) is fully encased in the lightweight aluminum frame but doesn't require tools for removal. Level 2 expert …on turbo mode for 40 miles… The trek Powerfly 4 is a tank… the heavy weight of the bike plants you to the ground… it’s durable and virtually maintenance free. It pairs a high-end Bosch e-MTB drive system with durable mountain bike components built to stand up to the trail. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that fully encases the battery in the frame, yet doesn't require tools for removal. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that fully encases the battery in the frame, yet doesn't require tools for removal. Powerfly 5 is a highly capable electric mountain bike for a great value. Trek Powerfly 4 | Top 5 Reasons I Bought This eMTB. It pairs a high-end Bosch e-MTB drive system with durable mountain bike components built to stand up to the trail. Powerfly 5 is a highly capable electric mountain bike for a great value. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that fully encases the battery in the frame, yet doesn't require tools for removal. Powerfly 5 is an e-MTB that pairs the boost of a Bosch electric bike system and the sleek looks of a traditional trail bike. Powerfly 5 is a highly capable electric mountain bike for a great value. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that fully encases the battery in the frame, yet doesn't require tools for removal. Powerfly 5 is a highly capable electric mountain bike for a great value. It pairs a high-end Bosch e-MTB drive system with durable mountain bike components built to stand up to the trail. It pairs a high-end Bosch e-MTB drive system with durable mountain bike components built to stand up to the trail. Level 1 expert . It pairs a high-end Bosch e-MTB drive system with durable mountain bike components built to stand up to the trail. Visit full review. The Removable Integrated Battery (RIB) is fully encased in the lightweight aluminum frame but doesn't require tools for removal. Powerfly 5 is a highly capable electric mountain bike for a great value. The Removable Integrated Battery (RIB) is fully encased in the lightweight aluminum frame but doesn't require tools for removal. Plus, it features our user-friendly Removable Integrated Battery (RIB) system that fully encases the battery in the frame, yet doesn't require tools for removal. It pairs a high-end Bosch e-MTB drive system with durable mountain bike components built to stand up to the trail.