Shimano Deore 10 Speed Double Chainset for Mountain Bikes M4100. • Great value Deore M4100 2-piece design chainset for 10-speed Dyna-Sys MTB HG-X transmissions. • Forged crank arms rigid whilst being incredibly strong and durable. • HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability. • SG-X chainring with patented spike pins give smooth and fast gear shifts under load.
