GRX ST-RX715 wireless Di2 shift hydraulic STI leverShimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world GRX hydraulic disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions Higher brake lever axis and curved brake lever, improves grip and confidence on choppy surfaces and descents Raised hood head prevents hand

ensuring a larger contact area for improved performance and longevity

Swiss-made Revolite spokes further reduce weight and allow DT to fine-tune the XMC's ride characteristics to reduce rider fatigue and improve control

Breathable stretch backing provides excellent flexibility

The Tech 4 E4 has been discontinued and replaced with the EVO TR4 - HERE

It also shares our new rubber Anti-slide grip points with the AM model but with more height to improve wet weather performance and positioning on the bike for little shredders

Fast Black finished 30mm aluminium upper tubes couple stiffness and lightweight with a premium look

along with the housing and locking mechanism

Award-winning Hydro brake platform

ARC 1100 DICUT 38: The ultimate climbing wheelset combining light weight and aero-optimization for a swift rise to the top

Comes with pre-installed Zwift COG for easy set-up but the Freehub can take a standard Shimano 11-12 Speed HG Road cassette with the COG removed

300° visibility and four modes including Daytime HyperFlash™

It features a fixed shim stack and a secondary shim stack that is preloaded by the external adjuster