Big Betty Is Back! Equipped with everything modern tyre technology has to offer. A Downhill and Enduro Allrounder for dry to damp conditions. Big Betty works perfectly on the rear wheel when combined with our much-loved Magic Mary.   Features All new Gravity all-round tyre. Long brake edges for maximum braking traction. Very stable shoulder blocks for heavy grip when cornering. Angled centre block for better rolling properties. Perfect as a rear tyre in combination with the Magic Mary on the front. BikePark tyre. Addix compound. Twinskin. E-50 E-bike rated.