Publicado Por En julio 22, 2026 Brand:SUMC Guarantee:100% Genuine Model: E11 EPT(Anti-Rust) Speed:11 Speed Link: 136 Links Weight: about 330-362 grams Color:Silver/Gold/Rainbow Compatible:For BOSCH and other 11-speed sports electri bicycle systems 【EcoProteQ Weatherproof Chain|Ultimate Protection】 -Hydraulic riveting technology -2X wear resistance performance -Accurate and agile shifting performance -Special design for mid-drive engine -Increase the smoothness of shifting -Improve shifting performance Package includes: 1 x Chain 1 pair quick-link 1 x Original box