Shimano BT-DN300 Di2 Internal Mount Battery brand_Avid GXP captures the left-side bearing

GXP captures the left-side bearing between the spindle and the left crankarm and allows the drive-side bearing to float axially on the spindle

Seatpost Weight - Zero - 210g / 20mm Offset - 223g

Alloy and Steel back plate using Ice-Tec heat radiation cooling fins with resin braking compound

High-stretch neoprene flex zone at ankle for flexibility High-stretch neoprene heel panel for excellent fit

Shimano BT-DN300 Di2 Internal Mount Battery brand_Avid GXP captures the left-side bearingShimano BT DN300 Di2 Internal Mount Battery The power house of Shimano Di2 is a long life 7. 4V Li Ion battery that is both compact and reliable, taking shifting effort away from you. Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads. The use of a single small and discreet internal battery is light weight, efficient and creates