Engine Guard Bumper Blocks Motorcycle Drop Guards Motorcycle Crash Bar Protectors - 3 Pairs Universal Fit For 22mm, 25mm, 28mm Bars - Black Five Guards Tip Over Bars Material: The motorcycle bumper blocks are made of nylon material, which is wear-resistant and anti-aging, not easy to damage and has long service life 1 Pair x Bumper Guard Blocks with Screw Kit ( As pictures Shown ). Motorcycle Engine Protection Gua. -- 1 pair of 2pcs, installed in the bumper. For... They are not just protective but also decorative 22 25 28mm Crash Bar Bumper Block Protector for Ducati BMW Triumph No drilling, cutting, welding or other modifications required Easy to Install: Installation Instructions Included. Motorcycle riders, these bumper blocks are like insurance for your bike's engine guards! Made from durable nylon material that's wear-resistant and won't age quickly, these blocks slide right onto your 22mm, 25mm, or 28mm crash bars (that's 7/8 inch to 1 1/8 inch No drilling, cutting, welding or other modifications required Features: Universally fit motorcycle with 22., 2mm, 25., 4mm and 28., 6mm (7/8-1 1/8inch) bumper crash bars Reversed to avoid metal and ground friction caused by the spark, to prevent the ground gasoline fire, to avoid secondary losses Installed in the anti-fall frame touch point, can effectively prevent the anti-drop frame and the ground scratch