Compatible with all frame materials and finishes.TETRAFENDER G1:The perfect quick-mount dual color front fender that attaches to gravel bike forks with hook and loop straps easily and securely. Adjustable struts provide a closer fit to the tire and excellent mud / spray protection while the highly polished underside helps prevent dirt buildup and aids in cleaning. Included 3M reflective decals provide safety at night.TETRAFENDER G2:The perfect quick-mount dual color rear fender that attaches to gravel bike frames with hook and loop straps easily and securely. Adjustable front struts provide a closer fit to the tire and excellent mud / spray protection. Unique two-piece dual tone design provides short or longer fender usage options for a precise fit with your bike. A highly polished underside helps prevent dirt buildup and aids in cleaning. Included 3M reflective decals provide safety at night. G1: QUICK MOUNT STRAP SYSTEM Compatible with all frame materials and finishes G1: ANGLE ADJUSTMENT Adjustable aluminum struts for good tire coverage G1: COMPATIBILITY Disc brake compatible forks onlyFront fork width within 70 - 100mm650-700c wheel sizes with tire width up to 32 - 50mm G1: 3M REFLECTIVE DECALS Provide safety at night G2: QUICK MOUNT STRAP SYSTEM Compatible with all frame materials and finishes G2: TWO-PIECE ADJUSTABLE DESIGN Provides short and long fender options for various riding conditions. Long fender for rainy and muddy rides. Short fender for dry mud and dusty conditions. G2: COMPATIBILITY Disc brake compatible forks onlySeatstays width within 70 - 100mm650-700c wheel sizes with tire width up to 32 - 50mm G2: 3M REFLECTIVE DECALS Provide safety at night MATERIAL G1: Two tone injected high impact resistant plastic with engineering grade polymer strutsG2: Two tone injected high impact resistant plastic with engineering grade polymer / metal struts ATTACHMENTS G1: Fork attachment with hook and loop strapsG2: Seatstays with hook and loop straps ADJUSTMENT G1G2: Angle adjustableG2: Adjustable fender length COMPATIBILITY Disc brake compatible frames onlyCompatible with all frame materials and finishesG1: Front fork width within 70 - 100mm 650-700c wheel sizes with tire width up to 32 - 50mmG2: Seatstays width within 70 - 100mm 650-700c wheel sizes with tire width up to 32 - 50mm SIZE G1: 51.4 x 16.8 x 12.2 cm / 20.2' x 6.6' x 4.8'G2: 64.5 x 27.5 x 12.2 cm / 25.4' x 10.8' x 4.8' WEIGHT G1: 194 gG2: 340 g ADDED FEATURE G1G2: 3M reflective decalsG2: Short and long fender sizes