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Shimano Di2 Frame Junction BoxFrame Junction Box connects via SD50 E-tube wires to four different points: front derailleur rear derailleur cockpit junction box and battery mount
Tooth Count 28 Round or Oval Round Drivetrain Speeds 10 Drivetrain Speeds 11 Direct Mount Type Direct Mount SRAM Defined Color Black Ring Position/Type Chain Retaining Single Ring Offset 3 Chainring BCD Sram Direct Mount Material Aluminum Chainline/Hub Compatibility 141/148 Boost Hubs keyword search 1x11
Gender/Age Unisex Color Black Size Large/XL Season Warm Weather Cuff Length 3 Material Synthetic Defined Color Black
hex key sizes 2 2
1 ISO Width (mm) 53 ISO Diameter 622 / Road / 29"
BOX BoxTwo Quick Release Seat Clamp 31.8mm - Black CheckoutSpec= 170 Shimano Di2 Frame Junction BoxFrameLightweight forged, machined 6061 aluminum clamp and quick release lever. 30g TECH SPECS diameter 31. 8mm color black
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