SRAM Force D1 12 Speed Chain - 12 Speed - 114 Links - Silver - No Virtual Parent 5" is 1290g and 29"

5" is 1290g and 29" is 2000g

Mounting locations: Mounts on top of your top tube with a velcro strap for your steerer tube to keep it in place

For the full rated operating voltage of 12V (24W) the light output of the various modes are as follows:

you don't have to use all these spacers

Drivetrain

SRAM Force D1 12 Speed Chain - 12 Speed - 114 Links - Silver - No Virtual Parent 5" is 1290g and 29"The SRAM Force D1 114 Link 12 Speed Chain is a high quality road chain, featuring SRAM's Flattop technology for a narrower chain, quieter operation and increased strength and durability. Made with hard chrome plated inner and outer plates, the Force D1 offers faster and more precise shifting. If you're after a chain that will help you ride far, long and fast, the SRAM Force D1 114 Link 12 Speed Chain is for you! Features Flattop technology Hard Chrome