Are you looking for a reliable and durable converter for your e-bike with a Bosch motor?FSA E-BIKE BOOST148 Direct Mount Steel Chainring is the ideal choice for any rider who demands long-lasting durability, precise power transfer, and flawless compatibility with modern e-bike systems. 🔧 Key Features: Compatible with Bosch Gen3 / Gen4 motors Direct Mount – easy installation without the need for screw mounting Durable steel construction – ideal for demanding e-MTB use Boost 148 – optimized centering for modern rear hubs Chainline 53 mm – perfect alignment and efficient power transfer Color: black (ED Black) Designed for: e-bikes (E-BIKE)