This is our 28″ or 700mm wheel size, 300 average watt motor/controller/kit that will pull over 700 watts on a hill climb. Check the world forums for the thousands of conversions with eZee kits that have resulted in highly satisfied customers. Almost every country has been criss-crossed with eZee electric assist kits. The kits are adaptable to dozens of different configurations and our selection of rack mount or bottle mount batteries has you covered for augmented power. The eZee 26″ wheel is perhaps the most traveled e-bike wheel in the world. Thousands are traversing landscapes for a decade or more. The kit comes with the grunty eZee 300 watt hi-torque hub motor, 13 g. cargo bike spokes radiating out to the German Weinman double wall alloy rims, and is finished with a Schwalbe puncture resistant Marathon-Plus tyre. Full parts are supplied to make the pedal assist funciton, e-brake cutoff switching, waterproof connections and intuitive operation. The motor exit wire is cleverly protected by the eZee stainless protector bracket. nuts and washers for the wheel are stainless. You are looking at a first class e-bike wheel and praises from around the world attest to that. Many companies will tell you that their kits are just as powerful, just as well made. eZee makes the electric parfs for several of the worlds leading cargo bikes, has won every competitive bid for Council electric bikes in New Zealand, and remains the industry leader; just see reviews from the industry experts. Please see the pic of eZee converted bikes touring Nepal and climbing Baldwin Street; if they can do Nepal, they can do your patch.