si.shimano.com is an online database service offering user manuals, service instructions, charts and specifications for the complete range of Shimano products. It also serves as a portal leading to Shimano pages with publicly available technical documents, such as Line-up charts, Specification tables and Compatibility matrices.
Browsing is greatly facilitated by a flexible keyword search that can refer to a component series/group (e.g. XTR), a component product category (e.g. brakes) or a component model number (e.g. R9100).