【Product packaging】You will receive 10 pcs black & red bicycle flywheel whose diameter 41.6mm including 2 pieces of 1 mm,2 pieces of 1.5 mm, 2 pieces of 2 mm, 2 pieces of 2.5 mm, 2 pieces of 3 mm.
【Product Material】The bicycle bottom bracket washers are made of better quality of Aluminium Alloy with no Rust or Corrosion lightweight and different which fit for 7 8 9 10 11 speed card hub conversion.
【Product Features】The biycle flywheel washers material is lightweight and easy to carry due to the small size supporting long term use,the bottom washers can help you get good symmetry with minimal effort.
【Easy to Use】The bike speed cassette washer can be locked by your flywheel cover to achieve shifting.After adding the washer, you will find that it can be locked by your flywheel cover to achieve shifting
【Usage scenarios】 You need to use the bike speed cassette washer to adjust when the the tooth plate of your bike touches the frame or the crank touches the frame.