SRAM Red ETAP Rear Derailleur 11 Speed ultra noise cancelling headset Pentair ChemCheck Battery Control Unit

Pentair ChemCheck Battery Control Unit keeps a check on your pools' Oxidation Reduction Potential (ORP) to determine if your agent chlorine is winning the cleanliness war or not

Supported (in cooling state)

1*Riser Base_ClassIV

A strain-less dryer

14 °F ~ 114 °F (-10 °C ~ 45 °C)

SRAM Red ETAP Rear Derailleur 11 Speed ultra noise cancelling headset Pentair ChemCheck Battery Control UnitFits all 11 speed SRAM road cassettes up to 11 32t 2x and 1x compatible Updated version of the original SRAM RED eTap rear derailleur Orbit chain management technology keeps drivetrain quiet and secure Larger X SYNC pulleys and ceramic bearings for increased durability and efficiency Compatible with existing eTap batteries Battery not included