DT Swiss Track Rear Hub, 120 mm Bolt On, Fixed, 24 Hole Silver When the Velodrome Suisse opened a few years ago just down the road from DT's headquarters it was inevitable that the office would go a bit track-crazy The result is that DT's legendary quality is for the first time available in a precision track hub Using the same super high quality stainless steel bearings found on their renowned 240 series hubs DT have created a hub that's fast enough for the boards but tough enough for the streets Classic high-flange design for stiffness under high loads Bolt-on design spaced for 100 mm front and 120 mm rear track framesets weight: front 280 grams rear: 336 grams