WEEROCK Mountain Bike Crankset Aluminium Alloy 1 Piece/Single 42T Charing Crank Set with 170mm Arm 104 BCD, Compatible with Single Speed Bicycle and 6/7/8/9/10/11 Speeds MTB Bike
Suitable for:42T bike crankset, 170mm arm, suits for single speed bicycle and 6/7/8/9/10/11 speeds MTB Bike, folding bicycle
Material: The material is aluminum alloy, which is sturdy, non rusting, the net weight is only 0.75kg（1.65lb)
Drop Stop Design:Narrow wide chainning could prevents chain drop from the chainring, it is the most advanced tooth profile on the Market, making your cycling safer
104 BCD Chainring： Convenient for future disc replacement, giving you more options
