The M6100 chain features an inner plate with an extended tip for improved chain retention. The new chain features QUICK-LINK links and is optimized for HYPERGLIDE+ cassettes and DYNAMIC CHAIN ENGAGEMENT+ chainrings. Patented design ensures smooth shifting and durability Larger inner plate improves chain guidance and stability Shorter shift times and less jerking when pedaling Optimized for use with HYPERGLIDE+ cassette sprockets and DYNAMIC CHAIN ENGAGEMENT+ chainrings