SRAM Force1 Type 3.0 Rear derailleur 11sp. Long cage IntelliCenter I10D Upgrade its dual braking system provides

its dual braking system provides reliable stopping power

Along with the drain

Built-in biometric sensor for on-device heart rate readings

4-inch (diagonal) Retina LED-backlit glossy widescreen display (2880 x 1800)

Max System Weight: 400 lbs

SRAM Force1 Type 3.0 Rear derailleur 11sp. Long cage IntelliCenter I10D Upgrade its dual braking system providesEXACT ACTUATION for fast and accurate shifts using SRAMs 1: 1 actuation ratio (shifter cable travel: derailleur movement) X SYNC pulley features a 12 tooth design that helps control the chains lateral movement ROLLER BEARING CLUTCHs one way roller clutch controls chain tension for consistent shifting X Horizon straight parallelogram design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force