SQLab 611 Ergowave Active Carbon Saddle - Black - Carbon Rails - 130mm Wide YGroup_7033415598125 Helix R 12s clusters are

Helix R 12s clusters are backward compatible with and can be used to upgrade your existing TRS+ 9-50 cassette

Constructed from high-tech super 6 Alloy and precision bent

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

4v 4400mAh battery

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

SQLab 611 Ergowave Active Carbon Saddle - Black - Carbon Rails - 130mm Wide YGroup_7033415598125 Helix R 12s clusters areThe 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