sierra mountain bike mudguard for front or rear tire - fits 26", 27.5", 29", and plus tires - includes zip ties sierra this bicycle mudguard is a stylish, simple, and effective solution for protecting a mtb rider from flying rocks, mud, water, and other debris. unlike other mountain bike fenders, our product is extremely versatile and will work with the following tire sizes: 26", 27.5", 29" and plus sized tires. this mudguard will also work on the rear tire of some (not all) mountain bikes. includes 4 heavy duty zip ties (unlike our competitors). the sierra mudguard can be install in less than 5 minutes. easy to follow installation instructions are included on the packaging. this durable bike fender is 12mm thick and provides the perfect mixture of rigidity and flexibility. our modern and aesthetically appealing packaging makes this a great gift for the mountain biker in your life.