The patented, smart-support element cuts the power when you pull on either Shimano® hydraulic brake, an important safety function only on Hardcore electric bikes! Drum brakes: Cheaper to manufacture than disk brakes and tend to previous longer as they have amplified friction contact space than disc brakes. Store your https://moped-electric-price16891.tinyblogging.com/the-smart-trick-of-scooter-6000w-9000w-that-no-one-is-discussing-70267275