Description

Shimano XTR Di2 M9250 1x12v Electronic Drivetrain Upgrade Kit

The evolution of cross-country racing. Uncompromising electronic speed, precision shifting under maximum load, and seamless system integration. Bring the lightning-fast performance of Shimano’s flagship Di2 platform to your mountain bike with the XTR M9250 1x12-speed upgrade kit.

Engineered for elite XC, marathon, and high-performance trail riders, the Shimano XTR Di2 M9250 12-speed kit replaces your mechanical shifting elements with the fastest, most reliable electronic ecosystem on the market. Featuring race-proven Hyperglide+ optimization and advanced system power management, this kit ensures crisp, predictable gear changes even while putting down maximum wattage on steep technical climbs.

• System Protocol: High-speed Di2 electronic infrastructure

• Shift Logic: Programmable multi-shift, Synchro-shift, and E-Tube customization

• Compatibility: Optimized for Shimano 12-speed Hyperglide+ drivetrains (chains/cassettes)

• Kit Composition: Shifter, Rear Derailleur, Internal Battery, E-Tube Wires, and Charger

• Regular Price: € 979.99 | Special Price: € 749.90

In-Depth Description

Surgical precision on the race track: Take total electronic control of your trail experience.

The Shimano XTR Di2 M9250 Upgrade Kit represents a massive technological leap for off-road enthusiasts looking to eliminate shifting lag, cable stretch, and ghost shifting. By adapting the advanced high-speed wireless protocol developed for Shimano’s pro-peloton road groupsets into a ruggedized, trail-ready mountain bike package, this kit delivers a drivetrain that responds instantly to your fingertips, regardless of mud, dust, or extreme trail vibration.

E1-Class Shifting Speed & Hyperglide+ Integration

The core benefit of the XTR RD-M9250 rear derailleur is its unparalleled actuation speed. Paired with a hardwired internal power loom connected to a central seatpost battery, the electronic motor executes shifts significantly faster than traditional mechanical setups. Combined with Shimano’s Hyperglide+ tooth profiles, the chain is dynamically guided between sprockets, allowing you to shift up or down smoothly even while standing up and sprinting or powering up punchy, loose climbs.

Ergonomic, Customizable Cockpit Control

The SW-M9250 handlebar shifter features a streamlined, ergonomic design that integrates seamlessly into modern, clean cockpit layouts. The low-profile buttons deliver tactile click feedback, even when wearing heavy winter gloves. Using the E-Tube Project smartphone application, riders can map custom button assignments, alter multi-shift hold speeds, and configure automatic shifting parameters to match their riding style.

Ruggedized Trail Architecture

The XTR Di2 rear derailleur is equipped with a high-tension chain stabilizer (Shadow RD+ clutch system) that minimizes chain slap and eliminates drop risks on aggressive rock gardens. Its low-profile architecture is tucked inward to stay clear of trail obstacles like rocks and branches. The housing features complete weatherproofing and an impact-resistant composite body designed to withstand the harsh realities of cross-country racing and technical trail environments.

Box Contents (What's Included)

The upgrade package comes brand new, sealed in original Shimano retail packaging. The kit includes:

• Electronic Shifter: Shimano XTR Di2 SW-M9250 (Right hand, independent or I-Spec EV brake lever mount options).

• Electronic Rear Derailleur: Shimano XTR Di2 RD-M9250 12-speed (Shadow RD+ clutch stabilizer, features integrated system charging port and Bluetooth/ANT+ communication modules).

• Internal Battery: Shimano Di2 BT-DN300 (High-capacity, multi-port design for secure hidden seatpost integration).

• E-Tube Electric Wires: Shimano EW-SD300 high-efficiency electronic cables (Includes 1x 600mm wire for the cockpit and 1x 1200mm wire to route from the internal battery to the derailleur).

• Charging Cable: Shimano EW-EC300 (1700mm length, USB-compatible desktop charging cord).

• Installation Tool: Shimano TL-EW300 for safe, damage-free E-Tube wire plug insertion and removal.

Assembly Note: This is a drivetrain upgrade kit. Mechanical wear components like the crankset, chain, cassette, bottom bracket, and brakes are NOT included and must be sourced separately or carried over from your existing Shimano 12-speed setup.

 Technical Specifications Table

CicloBottega Workshop Tech Tip

Mechanic's Advice on Electronic Shifting:

The XTR Di2 M9250 upgrade kit is the single best modification you can make to your XC machine if you want a zero-maintenance shifting experience. Once the electronic endpoints are set up during installation, they never drift—say goodbye to stretching cables, regular indexing, or sticky housing after muddy race days.

When installing, make sure to pair this kit with a genuine Shimano 12-speed Hyperglide+ chain and cassette (XTR CS-M9100 or XT CS-M8100) to truly experience the continuous-engagement shifting. Don't forget to sync the system with your phone via Bluetooth to check battery levels, update firmware, and fine-tune your shift speeds before heading out to the race track.

Shipping, Secure Packaging & Warranty

• Premium Electronics Transport Packaging: To protect the delicate high-end micro-motors and chipsets inside this kit, CicloBottega places the original Shimano boxing safely inside a heavy-duty, double-wall shipping carton lined with shock-absorbent materials.

• Express Tracked Courier Delivery: Dispatched quickly with automated tracking links and comprehensive transit coverage included at checkout.

• Official Distributor Warranty: 100% authentic original Shimano product backed by a 2-year official Shimano warranty.