RACE PAC MTB or TREKKING BIKE SEAT POST MOUNT REAR MUDGUARD SPLASH & DIRT CRUD GUARD SETLIGHTWEIGHT SET OF MUDGUARDS FOR 24 OR 26 MOUNTAIN TYPE BIKES OR 700c (28 ) TREKKING HYBRID BIKESREAR SPLASH/DIRT GUARD MUDGUARD MOUNTS ON THE SEATPOST AND IS SUPPLIED WITH SPACERS TO SUIT VARIOUS SIZE SEAT POSTSFRAME MOUNT DIRT GUARDMADE FROM STRONG POLYPROPYLENEREAR GUARD 47cmDIRT GUARD 40cmOVERALL WEIGHT JUST 200grams( approx )