SRAM Paceline X 2pc Center Lock Rotor 140mm CheckoutSpec= No BB The extruded bladder design is

The extruded bladder design is durable resists damping change during extended downhills and has virtually zero pressure offset for small bump sensitivity

8mm rise 0 deg length 32mm color black

If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention)

Rings 42Number of Chainrings Chain Retaining SingleDrivetrain Speeds 12Drivetrain Speeds 13Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor BlackCrank Length (mm) 170Crank Intended Use RoadCrank Intended Use GravelBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Black

Pad compound features high performance Kevlar ceramic brass and resin composite material

SRAM Paceline X 2pc Center Lock Rotor 140mm CheckoutSpec= No BB The extruded bladder design isSRAMs smoothest and quietest brake track with a lightweight aluminum carrier Designed for road use SRAM Model ID: RT PLN X A1 TECH SPECS Disc Diameter 140mm Disc Material Steel Aluminum Hardware Yes Hub Compatibility Center Lock