SRAM 2010 and later X9 and X7 9- and 10 speed Pulley Kit Mount-4x64mm which is important as changeable

which is important as changeable conditions are often encountered over the course of marathon races

Lumen Range 401 - 600 Position Front and Rear Primary Color Black Run Time Up to 15h Output 500 lumens Battery Type USB rechargeable Rechargeable Yes Light Type LED

Integrated 4-arm

Color Brushed Titanium Number of Chainrings No Rings Included Crank Length (mm) 172

Fibreglass/wood core with integrated air channels to save up to 250 g in weight compared to pure wood cores

SRAM 2010 and later X9 and X7 9- and 10 speed Pulley Kit Mount-4x64mm which is important as changeableSRAM 2010 and later X9 and X7 9 and 10 speed Pulley Kit. Original equipment rear derailleur pulleys for SRAM rear derailleurs. TECH SPECS Fits Brand SRAM Drivetrain Speeds 9 Drivetrain Speeds 10