BOX Helix Quick Release Seat Post Clamp The BOX Components Helix Quick Release seatclamp is a durable and lightweight alternative to add some color and adjustability to your ride. Adjust your saddle height without needing extra tools in your bag. The QR lever and face of the clamp feature a “zero friction” surface treatment for life-long smooth lever action without needing a bushing. The Helix Quick Release seat clamp is cold forged and CNC machined from 6061-T6 aluminum alloy and features a black lever, gold pivots and titanium hardware. Cold Forged and CNC machined from 6061-T6 aluminum alloy Zero Friction surface treatment ensures smooth life-long performance Lightweight design and Titanium hardware BX-SC130Q318: 31.8: 27 grams/0.95 ounces