The Carrera Vengeance women's Mountain Bike M Frame (18") is built for adventure and everyday rides, making it the perfect choice to tackle any terrain. Built with a lightweight 18" alloy frame, th Carrera Vengeance features Suntour XCM adjustable forks with 100mm travel, and 16-speed Shimano Altus gearing. Mechanical disc brakes, durable 27.5" rims with puncture protection and a Carrera memory foam saddle ensure comfort on every ride.. Buy your bike at Halfords, the UK's largest cycling retailer.