Equipped with everything modern tire 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 the much-loved Magic Mary. Long supported braking edges for maximum braking traction Extremely stable shoulder blocks for outstanding cornering grip Open and aggressive tread for excellent grip and self-cleaning Specifications Defined ColorBlackTire TypeClincherTire Intended UseDownhillColorBlackTire Diameter27.5"Tire BeadWireLabeled Size27.5 x 2.4ISO Width (mm)61ISO Diameter584 / 650b / 27.5"