SHIMANO IEWWU101B Electric Sender Ant Bluetooth Etube EW-WU101B 524667890607 DI2 Connections

( Brand: Shimano ), ( Model: EW-WU101B ), ( UPC: 524667890607 ), ( Product Type: Sender ), ( Color: Black ), ( Manufacturer Part Number: IEWWU101B ), ( Features: Ant ), ( Material: Plastic ), ( Sport/activity: Cycling ), ( Vintage: No )

Review SHIMANO Di2 Electric Sender D fly Ant Bluetooth Etube Connections

The Shimano IE-WWU101B DI2 Electric Sender is an essential component of Shimano's wireless electronic shifting system, Dura-Ace Di2. This sender is specifically designed for use with the EW-WU101 D-Fly junction A and the ETube wireless system, allowing for seamless and intuitive shifting control.

The IE-WWU101B is a compact and sleek unit, measuring only 68mm in length and 32mm in width. It is built with high-quality materials, including a durable, weather-resistant outer shell, ensuring that it can withstand the rigors of outdoor use. The sender is also equipped with an advanced waterproof design, featuring an IPX7 waterproof rating, which protects it from water immersion up to 1 meter deep for 30 minutes.

At its core, the IE-WWU101B utilizes Bluetooth technology for wireless communication with the D-Fly junction A and other compatible Di2 components. This enables the sender to transmit real-time battery level data, shifting status information, and other diagnostic data, allowing riders to monitor their system's performance and battery status at a glance.

The sender is designed to be easily installed and integrated into a Di2 system, with simple ETube connection points that allow for quick and secure attachment. The included mounting hardware allows for multiple installation options, ensuring that riders can position the sender in a way that suits their preferences and bike setup.

One of the key features of the IE-WWU101B is its ability to detect the position of the shift lever and transmit this information to the D-Fly junction A. This enables the system to automatically adjust the derailleur position in response to the rider's shifting input, ensuring precise and accurate shifting performance.

Overall, the Shimano IE-WWU101B DI2 Electric Sender is a high-performance and reliable component that is essential for anyone looking to upgrade to Shimano's wireless electronic shifting system. Its advanced wireless communication capabilities, durable design, and easy installation make it a must-have for serious cyclists who demand the very best in shifting performance and reliability.

Shimano I-RWU101B Di2 Electric Sender (EW-WU101 D-Fly Ant BT ETube Connections) is a component of Shimano's Di2 (Digital Integrated Intelligence Wireless shifting) system, designed to provide wireless communication between the battery and electric shifters. Here are some pros and cons of buying this component:

1. Wireless communication: This component eliminates the need for wires between the battery and shifters, making the setup cleaner and easier to install.

2. Compatibility: It is compatible with Shimano's Di2 system, which is widely used in high-end road bikes and triathlon bikes.

3. Customizable: The D-Fly shifter can be mounted in multiple positions, providing flexibility in ergonomics and cockpit design.

4. Bluetooth and Ant connectivity: This component can be connected to various cycling computers, smartphones, and other training devices for data analysis and performance tracking.

5. Long battery life: The Di2 system is known for its long battery life, allowing riders to go for extended periods without worrying about recharging the battery.

1. Expensive: This component is a premium upgrade and can be quite costly for some riders.

2. Complex setup: The Di2 system can be more complex to set up compared to mechanical shifting systems, requiring careful calibration and adjustment.

3. Limited compatibility with other brands: The Di2 system is not compatible with other brands' components, making it a closed ecosystem.

4. Maintenance: The Di2 system requires regular maintenance, such as software updates and battery replacement, to ensure optimal performance.

The Shimano I-RWU101B Di2 Electric Sender (EW-WU101 D-Fly Ant BT ETube Connections) is a high-performance component that offers wireless communication, customizable ergonomics, and compatibility with various training devices. However, it comes with a premium price tag, a complex setup process, and limited compatibility with other brands. If you are looking for a wireless shifting system and prioritize customization and data analysis, then this component is worth considering. However, if you are on a budget or prefer a more straightforward setup, then a mechanical shifting system may be a better option. Ultimately, the decision depends on your individual needs, preferences, and budget.

Details:

This module will add Bluetooth connectivity to your Di2 equipped bike. Great condition.

part #: iewwu101b prices

• $31.23-$93.95

specifications velocipedespark:

• brand: Shimano
• model#: EW-WU101B
• upc: 524667890607
• product type: Sender
• color: Black
• manufacturer part number: IEWWU101B
• features: Ant
• material: Plastic
• sport/activity: Cycling
• vintage: No

offer velocipedespark:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: December 11, 2025

seller velocipedespark:

• city: Bakersfield, California
• # reviews: 182
• rating: 100.0%

payments velocipedespark:

• wallet: Paypal
• other
• credit card: Diners-club

shipping velocipedespark:

• type: Calculated
• class: Standard
• transit: 5-12 Days
• carrier: USPS
• cost: $4.87
• service: USPS Ground Advantage

returns velocipedespark:

• policy: No Returns

general velocipedespark:

• Cycling > Bicycle Electronics > Cycle Computers GPS
• condition: Used

Shimano IEWWU101B Is Similar To:

• Shimano Ew-wu111 Di2 Wireless Bluetooth Transmitter Adapter Unit (41.3% similar) Shimano DI2 wireless bluetooth transmitter/adapter, part number EW-WU111. Like new condition - include original packaging, as pictured. Original owner - used once to update an older 11 speed bike...(December 12th, 2024)
• Shimano Iscem800d Sc-em800 D-fly Bluetooth Computer (49.6% similar) Compact and low-profile MTV design. Shimano steps bike head unit - SC-EM800 bluetooth ready/smart phone compatible. Select profile and assist modes on display; rider- with e-tube. Compact and low profile for MTV riding, the Shimano steps SC-EM800 wireless cycle computer shows...(January 15th, 2025)
• Shimano Ew-jc130-ss Y-split Rooting Electric Wire 250 350 50mm 3 E-tube Port New (43.4% similar) Features: 3-WAY split for Shimano e-tube DI2 systems. Sizes: SS: 250/350/50MM. This y split wire is designed to offer more wiring options, and specifically the new EW-RS910 internal drop-bar-end mounted junction box. It comes in different lengths and configurations for sizes of bars frames...(May 17th, 2025)
• Shimano Iewsw100a Power Button Steps Ew-sw100 Sh-iewsw100a Electric Bike (35.4% similar) The power button steps EW-SW100 SH-IEWSW100A by Shimano is designed specifically for electric bikes, allowing users to easily control the power while cycling. It provides a convenient and ergonomic solution for enhancing the performance of electric bikes, making it must-have accessory cyclists...(July 6th, 2025)