BOX Two Prime 9 Chain (126L) - Silver Brand-Truvativ Bluetooth Low Energy and ANT+

Bluetooth Low Energy and ANT+ compatible

Model Helix R E*spec 21mm Offset Ring Type Single (Anti-Chain Drop) Mount Shimano EP8 Teeth 34 Oval/Round Round Color Black

Total System Efficiency (TSE) for greater efficiency and reduced rolling resistance

2 Cable Routing Internal Defined Color Black Clamp Style Std Rails Offset (mm) 0 Travel 65Mm

BOX Two Prime 9 Chain (126L) - Silver Brand-Truvativ Bluetooth Low Energy and ANT+Prime 9 Technology for wide range without complexity Wider chain is strong and durable 9 speed chain has outer width of normal 9 speed but a narrower inner width to match 10 11 speed narrow wide chainrings. Compatible with most 10, 11, and 12 speed chainrings as well as BMX 3 32" chainrings and cogs 8 speed chain has outer width of normal 8 speed but a narrower inner width, optimized for use with Box Four Narrow Wide chainrings Model Box Two Prime 9