Our very own range of Titanium products now available at Source BMX. Helping to keep the weight of your bike down to a minimum the Source BMX Titanium Race Chainring Bolts are made from high-quality grade 5 titanium with an average 40% weight saving when compared to steel option. Full set of 5 replacement chainring bolts, with 6mm front bolts and 5mm rear bolts. Will fit majority of chain rings. When installing these on your bike please use adequate lubrication or anti-seize to prevent corrosion, seizing or cold welding. Weight: 11g