Add custom retainer rings!
Add an extra retainer ring with or without spikes! Easily swap your standard 40mm plain retainer ring with a spiked or smaller sized ring insert. Available in 4 or 8 spikes around the ring. 2mm, 4mm or 6mm. Spikes along inner tube are all equiped with standard small spikes. (as seen in photo). We also have anti-pullout retainers available in 18-24mm! Choker retainer has a 30mm ring inside of a 45mm ring for a tight grip on the shaft and the added ball security of a large retainer! **Choker, and anti-pullout retainers ONLY available without spikes.