Click to expand Tap to zoom QR6 6 Hole Bolt-on Quick Release - EN3B Save Liquid error (product-badge line 32): -Infinity% £179.99 SKU QR6 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This is our QR6, a 6-Hole Bolt on Quick Release using EN3B mild steel.