Surly Lockring for Fixed Cogs

High-quality fixed rear wheel hub. Handy wheel fixing bolts and hollow axle for easy conversion to quick releases.

The Cog for everybody who wants to change the gear on their fixed gear bike from time to time. Available with 17/19, 17/20 and 17/21 teeth.

Fixed Surly Track steel cog for standard ISO threaded hubs. CNC machined and heat treated for maximum quality and durability. Available with different numbers of teeth and tooth thicknesses.

High-quality flip-flop rear wheel hub. Handy wheel fixing bolts and hollow axle for easy conversion to quick releases. One side with thread for fixed gear and one for freewheel use.

The stainless steel Tuggnutt chain tensioner offers a wide range of wheel positioning to tension the chain. And it is equipped with the special feature of a bottle opener.

The Singleator chain tensioner is a smart way to changeover your bike to a single speed. For bikes with vertical dropouts.

Surly’s cast and polished stainless steel clamps won’t rust or chip paint because they can’t. They’re shiny! They look good! And most importantly, they deliver the clampability seatposts crave.

The Surly Hip Flask made of stainless steel holds your precious liquids, and is derby approved. Not only for biking, but for all life situations. Content: 177 ml​​.

High-quality Flip-Flop rear wheel hub. Handy wheel fixing bolts and hollow axle for easy conversion to quick releases.

Fixed gear cro-moly steel frameset made for streets with a geometry make for a lively and resilient ride.