Fitment: Suzuki GSXR 600, 750, 1000 Motorcycles Front axle nut covers Made of billet 6061 billet aluminum Black High quality aircraft grade material protection for your bike Come in a set of two Fit all bikes with hollow axles Require a 1/4-20 threaded rod "All thread". These are available at any hardware store for a couple of dollars. Suzuki GSXR 600, 750, 1000 Black Spike Front Axle Caps Covers Aluminum Billet Spiked Features: 2 Front axle nut covers Made of billet 6061 billet aluminum Colors: Black Anodized High-quality aircraft grade material protection for your bike Come in a set of two Fit all bikes with hollow axles IMPORTANT: Requires M6x1.0 threaded rod "All thread". These are available at any hardware store. Brand: Sixty61 Comes with two Sixty61 stickers as shown in picture Installation: Measure your hollow axle and cut the rod to the desired size. Note: We have matching bar ends, triple tree covers, frame sliders. Contact us for more information. Fitment: Suzuki GSXR 600, 750, 1000 Motorcycles Front axle nut covers Made of billet 6061 billet aluminum Black High quality aircraft grade material protection for your bike Come in a set of two Fit all bikes with hollow axles Require a 1/4-20 threaded rod "All thread". These are available at any hardware store for a couple of dollars.