105 FC-R7100 12-Speed Crankset Arm Length:175mm ISM used feedback from their

ISM used feedback from their professional athletes to make the next evolution in saddle design

With a strong ergonomic handle and stiff nylon bristles

brushed recycled fabric and a contoured shape that fits inside sleeping bag hoods

the Z Seat camping seat is an ounce-counter's solution to on-the-spot comfort

And it folds up nice and compact for easy stowing whether you’re backpacking with friends or camping with the family

105 FC-R7100 12-Speed Crankset Arm Length:175mm ISM used feedback from theirAn attractive aluminum crank with hollow arms for lightweight, rigidity, and durability The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and