SRAM Force1 Type 3.0 Rear derailleur 11sp. Long cage IntelliCenter I10D Upgrade This iMac also features a

This iMac also features a 500GB HDD for safe and reliable storage to protect your most important documents from being lost

Max System Weight: 400 lbs

Storage temperature range: -40° F to 185° F (-40° to 85° C)

Has loop out port: Yes Number of Loop out port: 8 AUDIO SUPPORT

Along with the drain

SRAM Force1 Type 3.0 Rear derailleur 11sp. Long cage IntelliCenter I10D Upgrade This iMac also features aEXACT 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