Ritchey Di2 Seatpost Internal Battery Mount - 27.2mm Model=Descendant Carbon Eagle DUB Crankset There is a small internal

There is a small internal chain tensioner to hold the wheel in position and to simplify wheel removal

Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 170/177 Hubs Chainline/Hub Compatibility 190/197 Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Chainring BCD Direct Mount CINCH Color Black Defined Color Black Direct Mount Type Direct Mount CINCH Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Material Aluminum Offset 6 Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 32

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Ritchey Di2 Seatpost Internal Battery Mount - 27.2mm Model=Descendant Carbon Eagle DUB Crankset There is a small internalRitchey Di2 Seatpost Internal Battery Mount 27. 2mm. Hidden mount for storing Di2 battery in a seattube.