Adjustable struts provide a closer fit to the tyre and excellent mud / spray protection while the highly polished underside helps prevent dirt buildup and aids in cleaning. For the rear, a unique two-piece, dual tone design provides short or longer fender usage options for a precise fit with your bike. Included 3M reflective decals provide safety at night.ATTACHMENTS: Seatstays with hook and loop straps ADJUSTMENT: Adjustable angle and fender length (rear) MATERIAL: Two tone injected high impact resistant plastic with engineering grade polymer / metal struts COMPATIBILITY: Disc brake compatible frames only. Front fork width within 70 - 100mm, Seatstays width within 70 - 100mm 650-700c wheel sizes with tyre width up to 32 - 50mm Compatible with all frame materials and finishes ADDED FEATURES: Short and long fender sizes 3M reflective decals SIZE: Front 51.4 x 16.8 x 12.2 cm / 20.2" x 6.6" x 4.8"Rear 64.5 x 27.5 x 12.2 cm / 25.4" x 10.8" x 4.8"