NEW SRAM RED Aero X-Sync Chainring - 12-Speed, 8-Bolt Direct Mount, Black, E1 Size:48t The Apex® 11-speed mechanical shift-brake

The Apex® 11-speed mechanical shift-brake control gives you all the gears you need in the palm of your hand

FRAME: Surly Midnight Special 4130 Chromoly

Rotors: SRAM 160mm

52 cm: 5'2"–5'5"

NEW SRAM RED Aero X-Sync Chainring - 12-Speed, 8-Bolt Direct Mount, Black, E1 Size:48t The Apex® 11-speed mechanical shift-brakeSRAM's light, stiff, and durable direct mount RED X Sync Aero chainrings let you pick the exact gearing you want and quickly swap sizes. X Sync technology keeps the chain where you need it to be, too. X Sync wide tooth, narrow tooth chainring technology provides maximum chain control Laser etched chainring finish is more durable than previous version X Range gearing technology gives you more range and a smoother gear progression, so youre always in