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Proper Magnalite K7 Cassette Hub
The Proper Magnalite K7 cassette hub features a CNC machined 7075 aluminum hub shell with laser-etched Proper logo, 2 precision sealed hub shell bearings, 14mm hollow heat-treated chromoly axle for strength, 1-pc chromoly driver with 3 paw engagement system and polymer driver bushing for reliability, and alloy axle nuts to help shed weight.
OE Replacement Parts Axle: 14mm Heat-Treated Chromoly Driver: 1-pc Chromoly Driver Bearings: Polymer Bushing Driver Pawls: 3 Pawls Driver Spring: Single Wraparound Hardware: Alloy Non-Drive / Chromoly Drive Side Hub Shell Bearings:6902 (x2) Verify bearing number on side of rubber seal Weight: 14.6 oz