Shimano GRX Di2 ST-RX815 11 Speed Shifter PDL our Volume Control system allows

our Volume Control system allows for differentiated fit adjustments for both the instep and forefoot areas — the shape and volume of which can vary widely between riders

Aluminum expanding bar-end plug

tubeless optimization

hydraulic fittings

By replacing traditional oil-based chain lube with a fully refined paraffin wax infused with DuPont™ PTFE and ultra-fine Molybdenum Disulfide (MoS₂)

Shimano GRX Di2 ST-RX815 11 Speed Shifter PDL our Volume Control system allowsThe SHIMANO GRX DI2 DUAL CONTROL LEVER delivers light and responsive shifting for mixed terrain riding. The ergonomic shifter design improves comfort and the textured, anti slip brake lever increases control on bumpy terrain. The Di2 version offers the digital precision of SHIMANO electronic shifting and synchronised shifting. Specifications Improved grip and confidence on choppy surfaces and descents Raised hood head prevents hand misalignment and