Shimano Di2 eTube EW-AD305 Conversion Adapter - For EW-SD50 and EW-SD300 CheckoutTitle=Topeak TourGuide Handlebar Bag } Carbon fiber mast with

} Carbon fiber mast with micro clamp aluminum head

5mm 2x 12-Speed 50/37t Direct Mount DUB Spindle Interface Iridescent Gray D2

Stable frame design

Color Black Ring Position/Type Chain Retaining Single Ring Tooth Count 40 Round or Oval Round Drivetrain Speeds 11 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black Bcd 110Mm

Single sided stretch belt adjustment for comfort

Shimano Di2 eTube EW-AD305 Conversion Adapter - For EW-SD50 and EW-SD300 CheckoutTitle=Topeak TourGuide Handlebar Bag } Carbon fiber mast withThe Shimano EW AD305 wire conversion adaptor connects a EW SD300 E TUBE wire to a EW SD50 E TUBE wire. EP8 EP800 series