Brand: YBN Model: SLA-110 Series: YBN 2018 color diamond series Length: 116 knots (with magic buckle) Color: black gold Compatible: SHIMANO/CAMPANOLO/SRAM 11-speed shifting system Suitable for: roads, mountains, folding bikes Weight: 246g Packing: original packaging YBN SLA110 GB series highlights: 1, SLA 110 GB; extremely lightweight, unique black gold plating for smooth shifting and no noise, life expectancy of 3000 ~ 5000 km; 2, chromizing shaft: DHA chromizing small shaft, using chromizing hardening treatment to indicate the layer, increase the hardness of the small shaft surface, can reduce the wear and increase the service life by 100% 3, chrome-rolled roller: DHA chrome-plated roller, using chromizing hardening treatment to indicate the layer, increase the surface hardness of the roller, can reduce the wear and increase the service life by 100%; 4, Teflon inner film: SLA super-enhanced auxiliary lubrication series, Yabang unique Teflon coating heat treatment technology, with low friction, smooth shifting, no noise and easy to clean and so on.