- Super hardened nylon construction - 40mm diameter, 100mm length - Special insert fits 3/8" or 14mm axles - 90g (pair)
- Steel - Threads onto 3/8" axle - Knurled & grooved - Diameter: 33mm - Sold in pairs
- Sold in pairs. - Allen wrench included.
- For 19mm crank spindles and threaded Euro bottom bracket frames. - High-quality four bearing design with aluminum cups.
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