Shimano CN-HG40 Chain Bulk Pack 20-Pack 6/7/8 Speed Bikes The "convenient transport mode" (CTM)

The "convenient transport mode" (CTM) provides an immediate use of the lock (only 5700/100)SH – Lock carrier for easy transport on the bike

Ultralight Agility: An ultralight Advanced-grade composite frame and new Advanced SL-grade composite fork make for snappy acceleration

They save weight because they don't need the spider and chainring bolts

Lower Latency

ensuring less fatigue and more fun on those epic rides

Shimano CN-HG40 Chain Bulk Pack 20-Pack 6/7/8 Speed Bikes The "convenient transport mode" (CTM)Shimano Tourney TY 6, 7, 8 Speed Hyperglide MTB Chain The HG 40 chain is designed for precise index shifting on 6, 7, and 8 speed HYPERDRIVE SIS and DUAL SIS drivetrains. It efficiently transmits the power from the chainring to the sprocket of the rear hub. It is exposed to extreme loads and weather conditions. Timely replacement of the chain is the only way to protect chainrings and sprockets from excessive wear. To get the best possible performance