High-performance 11-speed drivetrain package for steep mountain passes

Prepare your road bike for demanding climbs with this premium 11-speed climbing kit from Shimano. Combining components from the renowned Ultegra R8000 and 105 series, this set provides a wider gear range to keep your cadence smooth when the road tilts upward. It is the perfect upgrade for mountain sportifs like La Marmotte, training camps in Mallorca, or tackling steep local gradients.

Fully compatible with all Shimano 11-speed mechanical road drivetrains using double chainrings.

Shimano Ultegra RD-R8000 GS Rear Derailleur: Medium/long cage design smoothly accommodates sprockets up to 34T with razor-sharp precision.

• Shimano Ultegra CS-R8000 Cassette (11-32T): Lightweight cassette with HyperGlide technology for fast, crisp shifts under power.
• Shimano 105 CN-HG601 11-speed Chain: Durable, directional 116-link HG-X11 chain providing smooth and reliable power transfer.
• Climbing-Optimized Gearing: The 11-32T cassette ratio gives you the lower gears needed for sustained climbs.
• Seamless Compatibility: Works as a direct upgrade for any Shimano 11-speed road setup with 2x chainrings.