SQLab 611 Ergowave Active Carbon Saddle - Black - Carbon Rails - 130mm Wide YGroup_7033415598125 It features a Slip-On Valve

It features a Slip-On Valve that allows for easy inflation and works on Presta and Schrader valves

Closure or Slip-on: These are slip-on style pads so there are no straps

but it's all the tech and fancy engineering beneath the surface that really makes these cassettes special

The lockring is made from a 7075 aluminium alloy

5 mm integrated spacer plus stem cap with an aluminium bolt and a star nut

SQLab 611 Ergowave Active Carbon Saddle - Black - Carbon Rails - 130mm Wide YGroup_7033415598125 It features a Slip-On ValveThe weight optimised 611 Ergowave active Carbon was precisely designed to accommodate the requirements of off road cycling and perfectly meet the demands of All Mountain and Enduro use. With just 199 g the 611 Ergowave Active Carbon is the lightest 611 Ergowave model with active technology. The wave like shape and raised rear section provide perfect rearward support and an optimal pressure distribution which reaches deep into the body structures