Copper Spur UL2 XL Fitness Acc Proprietary replacement bottom bracket for

Proprietary replacement bottom bracket for the Trek family of bikes

with tubular support braces

Choose from a range of lengths

making it a worthy addition to your next camping or backpacking overnight

Meet the trail-ready short that's good to go anywhere

Copper Spur UL2 XL Fitness Acc Proprietary replacement bottom bracket forSince its launch in 2008, the award winning Copper Spur has been Big Agnes' most popular ultralight backpacking tent. Thanks to their proprietary HyperBead fabric, the latest Copper Spur UL is lighter, stronger, and more waterproof than ever! The Copper Spur UL XL series is perfect for campers who prefer more space for themselves, gear, or four legged friends! With an extra 6 8" of length, 2" of width, and 3 4" of head height, the XL models feature