Sun Ringle Düroc SD37 Pro Wheels | For Rim Dingers

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We sent David ‘Dinger’ Hayward out to beat up these Sun Ringle Düroc SD37 Pro wheels, available as both a rim only or complete wheelset option. Will his reputation as a wheel bruiser be dented, or will it be the wheels that take the damage?

Sun Ringle Düroc
Production model.

Specs and Set Up

The main feature of these is the rims, at 37mm wide with a 35mm internal width, they’re beefy and suitable for plus tyres if you so desire. They arrived pre-taped, which is always a pleasure (despite it being easy, for some reason taping rims remains one of my least favourite bike jobs). Also in the box were valves and a couple of small bottles of sealant.

Sun Ringle Düroc
Yay! Pre taped!

For this wheel set, Ringle has reintroduced Super Bubba hubs, with the rear having a clever new feature they call “Clok’d”. It refers to the pair of ratchet rings in the hub shell, with the freehub having two rows of corresponding pawls. Indexing notches in the hub shell allow you to align the ratchet rings two ways. For maximum strength, line up the teeth to engage all six pawls at once. Alternatively, you can offset them, engaging three pawls at a time and halving the engagement angle to make it just 4 degrees.

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Review Info

Brand:Sun Ringle
Product:Düroc SD37 Pro, 27.5in
From:Sun Ringle / Hotlines
Price:Front £329.99 , Rear £499.99, £119.99 rim only
Tested:by David Hayward for 4 months

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