Keystone Electric Fat Bike⚡

Introducing the all-new Keystone Electric Fat Tire Bike. Since 2013, Borealis has specialized in lightweight, high end fat bikes. The Keystone is our first ever Class I electric bike. The frame geometry is optimized for riding just about anything with clearance for up to 5” wide tires. Paired with the most technically advanced components in the industry, the Keystone sets the standard for premium quality Electric fat bikes.  HIGHLIGHTS Color: Red & Black with Silver Graphics Weight: 56 lbs. as shown. Standard features include Shimano EP8 Drive Unit, Shimano 630Wh Battery, SRAM Eagle GX T-Type Transmission, SRAM G2 RS brakes, Manitou Mastodon Pro EXT 120mm suspension fork, carbon handlebars, dropper seat post, durable Sun Ringle Mulefüt rims and Terrene Cake Eater 4" tires. Frame geometry provides responsive handling, offering maximum control for varying conditions in snow or sand. Tire clearance up to 26x5” and 27.5x4.5”. Lightweight, 6000 series aluminum frame comes with interna