Trục giữa xe đạp leo núi chất lượng

Bearing type: Sealed Cartridge BSA thread: BC1.37" x 24T Axle: Boron steel Package Included:1pc Bottom Bracket,2pcs Inner Hexagon Bolt Screws Model: VP BC-73 Shell Width: 68 mm Come with 2 Pcs bolts 12 Size: 68 x 103mm 68 x 107mm 68 x 110.5mm 68 x 113mm 68 x 115mm 68 x 118mm 68 x 120mm 68 x 121.5mm 68 x 122.5mm 68 x 124.5mm 68 x 126mm 68 x 127.5mm Features: Better alternative to the VP BC-73 bike and it works the same. Lasts long and it will shows no signs of wear and tear years to come. Pretty easy to install,even without specific tools. Study enough and long-term reliability.