Backcountry Research Mutherload Frame Strap Orange CheckoutSpec= Reba (A1-A5) Strong and light 6061 alloy

Strong and light 6061 alloy rims stainless steel rim eyelets and easily replaceable standard spokes mean the Flow S1 is built to last

refined 2-tone wraps

Fits e*thirteen XCX Mountain Cranks for non-Boost chainlines

Features a 13-tooth upper and 19-tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur

Backcountry Research Mutherload Frame Strap Orange CheckoutSpec= Reba (A1-A5) Strong and light 6061 alloyThe Mutherload maximizes all the benefits of a dual shockcord retention system with the versatility and adjustability to mount what you want, where you want it, anywhere on your frame Quickly and easily mounts anywhere on your frame. Adjusts to accommodate frames as small as 4 inch in circumference (think steel frame) all the way up to a 9 inch circumference carbon frame. 1 inch width easily fits in tight spaces Unique design maximizes grip to keep