Hi, you are looking at a pair of 27.5" (650b) Kinlin TL-29 rims (branded as "Borg"), 32 holes and presta valves. Unused, as new. Kinlin's TL-29 series is the latest addition to their lineup of lightweight, durable, and inexpensive mountain disc-specific rims. The TL-29 features a completely modern design, with widely spaced sidewalls and full tubeless compatibility. + 30mmwide rim is especially suited to tyres over 2.25"wide + Fatigue resistant neobium alloy + Internally anodised for corrosion resistance + ERD: 567mm (650b) + Weight: 505g (650b) + Drilling: 32H + Colour: Black + Internal Width: 30mm If you have any questions, please feel free to ask. Thanks for looking.