Octane 1 EXTERNAL Bottom Bracket 19mm

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This special external BB for BMX cranks is compatible with all MTB frames with threaded bottom brackets (Euro BB). This solution allows for the use of more durable Spanish BB seale d bearings in external BB cups. MAIN FEATURES -compatible with 19mm crank axles-external aluminium cups with two big & strong Spanish BB sealed bearings-compatible with all MTB frames with 68mm Euro BB & 73mm Euro BB (two sets of central spacers included)-weight: ~125g Show more