Tange Seiki has a long and storied history in the bicycle industry. Yosujirou Tange founded Tange Tekkousho (Tange Iron Works) in 1920 to produce high end front forks. Sealed Bearings. Campagnolo EKAR Pro-Tech Gravel 68 x 46 Press Fit Bottom Bracket OC21-PRPF30.
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