72-HOUR DISPATCH
Orders are dispatched from our warehouse within 72 hours after quality inspection.
TOOQUV Cycling · Bicycle transmission
1X10 / 1X11 / 1X12 / 1X13 WIRELESS SHIFTING | HYDRAULIC DISC BRAKES
CARBON FIBER LEVERS | UP TO 50T CASSETTE
The LTWOO eGR is a wireless electronic groupset designed for 1x Gravel bikes with drop handlebars, combining precise electronic shifting with hydraulic disc braking.
Compatible with 10, 11, 12, and 13-speed drivetrains, the eGR features wireless rear shifting, carbon fiber brake levers, Type-C charging, and support for cassettes up to 50T.
WIRELESS ELECTRONIC SHIFTING
Wireless communication between the right lever and rear derailleur eliminates the traditional mechanical shift cable.
1X10 / 1X11 / 1X12 / 1X13 COMPATIBILITY
Supports 10, 11, 12, and 13-speed 1x Gravel drivetrains.
UP TO 50T CASSETTE
Compatible with cassettes up to 50T for wider gearing on climbs and mixed terrain.
TYPE-C CHARGING
The rear derailleur features an internal non-removable battery with Type-C charging.
CARBON FIBER LEVERS
Carbon fiber brake levers provide lightweight construction, comfortable ergonomics, and a premium finish.
HYDRAULIC DISC BRAKES
Hydraulic disc brakes provide strong, progressive, and controlled braking performance for Gravel and mixed-terrain riding.
DRIVETRAIN:
1x
SUPPORTED SPEEDS:
10 / 11 / 12 / 13-Speed
SHIFTING SYSTEM:
Wireless Electronic Shifting
BRAKE SYSTEM:
Hydraulic Disc Brake
LEVER MATERIAL:
Carbon Fiber Brake Levers
LEFT LEVER:
Brake Only
RIGHT LEVER:
Two Electronic Shift Buttons + Brake
REAR DERAILLEUR:
Wireless Electronic Rear Derailleur
REAR DERAILLEUR BODY:
Aluminum Alloy
BATTERY:
Internal Non-Removable Battery
CHARGING:
Type-C
REAR DERAILLEUR CAGE:
93 mm
MAXIMUM CASSETTE:
50T
HANDLEBAR TYPE:
Drop Bar
FRONT DERAILLEUR:
Not Required
LEVER WATER PROTECTION:
IPX7
RECOMMENDED USE:
Gravel / Mixed Terrain / Long-Distance Riding
1 × Pair of LTWOO eGR Electronic Levers
1 × LTWOO eGR Wireless Electronic Rear Derailleur
1 × Type-C Charging Cable
1 × Front Hydraulic Brake Caliper
1 × Rear Hydraulic Brake Caliper
Hydraulic Brake Hoses
Installation Adapters, Olives, Insert Pins, Bolts and Mounting Hardware
*COMPATIBILITY
Designed for:
1x Gravel Drivetrains
10 / 11 / 12 / 13-Speed Systems
Drop Bar Handlebars
Hydraulic Disc Brakes
Cassettes up to 50T
Single Front Chainring
No Front Derailleur Required
Compatibility also depends on your frame, derailleur hanger, cassette, chain, crankset, brake setup, and installation clearance.
The LTWOO eGR is designed only for 1x drivetrains and is not compatible with 2x dual-chainring systems.
Shifting is electronic and wireless, while braking remains hydraulic and requires hydraulic brake hoses.
The left lever controls braking only. The right lever controls braking and electronic rear shifting.
The electronic levers are rated IPX7. Avoid high-pressure washing and make sure the Type-C charging port is clean and dry before charging.
FRONT DERAILLEUR
CASSETTE
CHAIN
CRANKSET / CHAINRING
BOTTOM BRACKET
BRAKE ROTORS
MINERAL OIL
INSTALLATION TOOLS
Other components not explicitly listed under “WHAT'S INCLUDED” are not included.
PROFESSIONAL INSTALLATION RECOMMENDED
Installation may require brake hose trimming, hydraulic brake bleeding, electronic system setup, rear derailleur adjustment, and drivetrain fine-tuning.
Professional installation by a qualified bicycle mechanic is recommended to ensure safe braking and accurate shifting.
SHIPPING ORIGIN:
Ships from China
WORLDWIDE SHIPPING:
Available
DDP SHIPPING:
Available for Selected European Countries
STORE WARRANTY:
1-Year TOOQUV Store Warranty
EU CONSUMER RIGHTS:
EU consumers additionally retain their applicable statutory consumer rights, including the minimum legal guarantee required by local law.
Not sure whether the LTWOO eGR is compatible with your bicycle?
Please contact us before ordering and provide:
BICYCLE MODEL
CURRENT NUMBER OF SPEEDS
CASSETTE SPECIFICATION
CHAINRING SPECIFICATION
CURRENT BRAKE TYPE
HANDLEBAR TYPE
CURRENT DRIVETRAIN
We will help you check compatibility before purchase.
Your order includes only the items shown in the selected product option.
Please check the product images and option description carefully before placing your order.
If you are unsure about the package contents, feel free to contact our support team before purchasing.
Please verify compatibility with your bicycle before purchasing.
We recommend checking drivetrain speed, brake type, axle standard, crank interface and frame compatibility.
If you are not sure, simply send us your bike specifications via WhatsApp or Email and our team will help you choose the correct model.
All products include a 1-Year Store Warranty.
If your product has a manufacturing defect during the warranty period, please contact our support team.
We will provide troubleshooting, replacement parts or warranty service depending on the situation.
Need compatibility advice?
Our cycling specialists are happy to help.
WhatsApp:
+86 18676711300
Email:
kevinzhang@tooquv.com
Why TOOQUV
Orders are dispatched from our warehouse within 72 hours after quality inspection.
Every purchase includes a 1-year warranty and dedicated technical support.
DDP shipping is available for selected destinations. Duties and import taxes are included in the shipping fee, so no additional import taxes are required upon delivery.
Featuring WHEELTOP, L-TWOO, Magene, XCADEY and other leading cycling brands.
After installation, pair the components if required, install the compatible cassette and chain, and adjust the derailleur according to the manufacturer's instructions. Fine adjustment may be required to achieve smooth and accurate shifting.
Firmware updates can usually be completed through the compatible APP. Make sure the battery level is sufficient and keep your device connected during the update. Do not interrupt the update process.
Before purchasing, please check your bike type, frame compatibility, brake type, cassette, freehub body, and axle standard. You can also send us your bike model and current drivetrain specifications for a compatibility check.
eR7 and eRX are mainly designed for road bikes. GRT is designed for gravel and all-road riding. eGR is designed for gravel and off-road applications. Please choose the model based on your bike type, riding style, and required drivetrain configuration.
Wireless systems communicate between components without shift cables, providing a cleaner setup. Semi-wireless systems may use wireless communication between selected components while other parts remain connected by wires. The exact configuration depends on the specific model.
Please use the official APP specified for your L-TWOO groupset model. The APP can be used for system connection, firmware updates, button configuration, and other supported settings. Connection instructions may vary depending on the model.
Yes. All products are genuine and sourced directly from manufacturers or authorized suppliers.
Yes. Eligible products are covered by a 1-year warranty against manufacturing defects.
For selected countries and shipping methods, DDP (Delivered Duty Paid) service is available. Please contact us before ordering if you have questions about taxes in your country.
Professional installation is recommended, especially for hydraulic brake systems and electronic shifting systems. Correct installation and adjustment can help ensure proper shifting and braking performance.
Please use the brake fluid specified by L-TWOO for your particular model. Do not mix different types of brake fluid. If you are unsure, contact us with your exact groupset model before adding or replacing brake fluid.
Thru axle compatibility depends on your bike frame and wheel standard. Please confirm your frame's front and rear axle specifications before purchasing.
Cassette compatibility depends on the specific L-TWOO groupset model, speed, derailleur capacity, and freehub body. Please check the product specifications or contact us with your current cassette and wheel hub information before purchasing.
Battery life depends on the model, riding frequency, and usage conditions. Please charge the components using the recommended charging method and cable. Avoid using damaged chargers or charging equipment.
First, check the battery level, component connection, firmware version, derailleur alignment, and chain and cassette compatibility. If the problem continues, contact us with your order number, product model, and a short video showing the issue so we can assist you.
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