Custom titanium rear sprocket bolts for the Surron, Talaria, Segway, 79 Bike, E-Ride Pro, Rerode, Altis, and other similar style electric bikes. 5 bolts included in kit. Anodized/ PVD coated to perfection Increased corrosion resistance Made from certified Titanium Grade 5 6AL-4V Rolled threads for greater fatigue strength Greater strength to weight ratio than steel 40% lighter in weight compared to OEM Exclusively sold at Titanium Surron and authorized retailers only M8 bolts. Common size hardware usually found on Surron, Talaria, Segway, 79 Bike, E-Ride Pro, Rerode, and other similar style electric bikesFitment: Most light e-motoSurron LBXSegwayE-Ride Pro S and Pro SS 2.0Talaria XXX, MX3, MX479 Bike FalconRerodeAltis Sigma bolts (longer) come in hex only.E-Ride Pro SS 3.0 and SR bolts come with socket cap half head only. Don't see what you're looking for? Contact us, we might be able to help.