BMX

- Sold in pairs. - Allen wrench included.

- For 19mm crank spindles and threaded Euro bottom bracket frames. - High-quality four bearing design with aluminum cups.

- CNC machined 6061-T6 aluminum chain tensioners - Compatible with 3/8 inch and 10mm axles - Single bolt operation makes tensioning a simple task - Material: 6061AL

- 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