Threadless Headsets ( Bike Headsets )
Model : PT-1752CF1. Bearings: sealed cartridge Bearings. 2. Material: carbon matrix on alloy top cover, upper/lower cups 7075 crown race. 3. Finish: black carbon matrix on alloy.
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Threadless Headsets ( Bicycle Headsets )
Model : PT-1752LCF1. Sealed cartridge bearings. 2. Black carbon matrix on alloy cups. 3. Full carbon top cover. 4. 7075 crown race.