SRAM XX1 Eagle Chain 12 Speed 126 Links Copper width-41cm Stan's NoTubes ZTR Alpha 400

Stan's NoTubes ZTR Alpha 400 Disc Aluminum 700c Rear Wheel

but since the TruMotion all-way stretch fabric is used for the main material

Specialized Shiv Elite Medium Bike - 2015

Reynolds 309 / 289 XCc Carbon Tubeless 29" Wheelset

Raleigh Capri 4

SRAM XX1 Eagle Chain 12 Speed 126 Links Copper width-41cm Stan's NoTubes ZTR Alpha 400It might look normal from the outside, but the engineering inside this incredible chain design that makes possible a gear range previously found only in 2 chainring drivetrains. And it's also the biggest contributor to the Eagle drivetrain's ultra smooth, precise, durable and quiet performance. The Eagle chain's links have a smooth radius, with no sharp edges or chamfers, which yield a significant reduction in noise, friction and wear on chainrings