Logic headsets are characterised by their differential bearing size the larger, lower bearing is used for its increased surface area, which distributes headset load more effectively. A smaller bearing is used on top, keeping stack height and overall weight to a minimum.
Buy Ritchey Scuzzy Logic Headset from Chain Reaction Cycles, the worlds largest online bicycle store.
If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or fitted.More information on returns