Zefal RM29 Rear Deflector ✓ Material: Technopolymer resin with dual material spoiler ✓ Mounting: MD-Fix - On the seat stays - Adjustable from Ø17 to 41 mm ✓ Blade width: From 66 to 72 mm / From 2,6" to 2,8" ✓ Weight: 220g ✓ Wheel Ø: 26'', 27.5" & 29"