2 Cuscinetti Cerchio Freno Ingranaggio Fisso/Strada/MTB Mozzo 20/32 Fori BMX Bicicletta Boost

Lock Thread:1.29" about 31.6-32.8mm. For 1/8" chain. Body Material:AL6061-T6. Axle Material: AL7075. Material: AL7075.

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