NEW Surly Bridge Club Gravel Adventure Touring Bike - 27.5", Steel, Squid Ink Size:X-Large but the derailleur body features

but the derailleur body features replaceable outer and inner parallelogram links

180mm [F] / 160mm [R] rotors

XTR CN-M9100 Chain - 12-Speed

Series:Deore

NEW Surly Bridge Club Gravel Adventure Touring Bike - 27.5", Steel, Squid Ink Size:X-Large but the derailleur body featuresAs a highly versatile touring bike, the Bridge Club hits the sweet spot that separates on and off road excursions. The simplistic design makes it fully adept to handle a full rack and pannier setup, frame bags, or any combination of the two. It doesnt feel sluggish on paved shortcuts, but can also hold its own on dirt detours. If youre feeling a little zesty on your next road tour, you wont be ill prepared for reroutes through the woods. The Bridge