The Topeak TetraFender G1 & G2 Set are ideal for Gravel Bikes with a quick-mount system using hook and loop straps for a secure easy fit. The adjustable struts provide a closer fit to the tyre and excellent mud / spray protection while the highly polished underside helps prevent dirt build up 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: Seat stays 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, Seat stays 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"Weight: G1: 194g / G2: 340g