Features 6106 aluminum alloy Pinned Traditional drilling UB Control Non eyeleted Tubetype External wear indicator Dimensions ETRTO size 26": 559 x 17C Valve hole diameter: 8.5 mm, supplied with valve adapter ETRTO recommended tyre sizes: 28 mm to 60 mm (1.1" to 2.3") Recommended rim tape 26": 559 x 18 x 0.6 Recommended nipple length: 12 mm Technologies UB Control Filters Drilling: 32 Drilling: 36 Range level: Good Use: All mountain brake type: rim diameter: 26" tyre width: 1.00 to 2.10 Optimized rim profile, UB Control braking surface, XM 117 is one of the highest quality entry level rims on the market. For 26'' bikes only. Brake track 9 Circumference 26" 1793.8 Height 17.5 Nipple contact point (ERD) 26''/650C 540 Weight 26''/650C 440 Width 22.2