julio 26, 2026
Shimano 12 speed 105/SLX chain CN-M7100, 108 links plus 2 Quick-Link connectors. Was on my Trek Madone with largest chainring 50t, rear cog 34t. Lightly used, less than 300 miles; installed Feb 2026 but i changed rear cassette to 11-36t which required getting a new longer chain.