Yoeleo Canada
LTWOO ERX TT Carbon Wireless Electronic Hydraulic Disc Brake Time Trial Triathlon Road Groupset 10 11 12 Speed Oversized Pulley
LTWOO ERX V3 Carbon Wireless Electronic Hydraulic Time Trial Road Groupset
The 3rd-Gen LTWOO ERX wireless electronic road groupset has undergone four years of iterative optimization, ranking as the most reliable domestic electronic shifting system on the Chinese market.
It has powered UCI continental race teams to claim championship podiums repeatedly at China’s official UCI road cycling events, delivering consistent, precise shifting under harsh competitive conditions including steep climbs, flat sprints and all-day endurance rides.
Shift Lever
Type: Electronic Shifting & Hydraulic Disc Brake
Connection Mode: Wireless connection, Bluetooth, ANT+
Material: Carbon fiber brake lever
Operation: Electronic shift buttons
Applicable handlebar diameter:18.6-22.5mm
Shift lever Power Supply:
CR1632 Coin Cell Battery
Weight: ~148g per piece
Shift Switch Power Supply:
CR2032 Coin Cell Battery
Weight: ~54g per piece
Hold the shift lever function button for 5 seconds to enter pairing mode, then short-press the rear derailleur function button once to complete pairing.
Rear Derailleur
LTWOO ERX V3 Electronic Rear Derailleur with Oversized Pulleys. Carbon fiber full cage and P-knuckle joint greatly reduce weight.
Compatible 10~12-speed drivetrains, APP programmable
Cassette Range: 11T Min - 36T Max
Power: Seat Post Battery
Waterproof: IPX7
Weight: ~291g
Press and hold the shifter function button for 5 seconds, then short-press the rear derailleur function button once to complete pairing.
Front Derailleur
Maximum Compatible Sprocket: 54T
Total capacity: 16T
Chain line: 44.5-46.5mm
Installation angle: 61-66°
Limit adjustment: Electronic limit
Charging interface: Type-C
Power supply: Seat tube battery
USB-C charging port. Compatible with 5V/2A chargers. Power banks are supported.Fast charging is not supported. Equipped with support screws to prevent front derailleur shifting.
Hydraulic Brake Calipers
One-piece CNC-machined caliper delivers superior rigidity and uniform force distribution.
·Minimal caliper flex under braking
·Direct brake power transfer
·Smooth, linear brake feedback
·Stable, predictable braking control
Rotor Compatibility
Rear Brake:
Direct fit for 140mm rotors;
Adapter mandatory for 160mm rotors
Front Brake:
Adapter required for both 140mm and 160mm rotors
Hose Length
Front brake: 0.9m
Rear brake: 1.6m
Dual-Way Hydraulic Bleeding System
The dual-direction hydraulic oil circuit improves fluid circulation efficiency and helps eliminate trapped air more effectively.
High-Wear-Resistance Bar-Type Brake Pads
Equipped with bar-style composite brake pads designed to balance heat dissipation and wear resistance.
Seat Post Battery
Rated Capacity: 800mAh, 5.92Wh
Nominal Voltage: 7.4V
Max Charging Current: 1.5A
Charging Voltage: 8.4V
L-TWOO APP
Search “LTWOO” in the mobile app store to download.
Supports iOS, Android, and HarmonyOS platforms.
Single-gear fine adjustment
Each gear can be individually adjusted for clearance,
ensuring more precise shifting
and better cassette compatibility.
- High-Performance Electronic Groupset for Time Trial Bikes The eRX-TT / eR9-TT electronic groupset is engineered for elite time trial & triathlon bikes, delivering precise shifting and reliable performance under intense conditions.
- 12-Speed Electronic Shifting System Featuring a 12-speed electronic derailleur system, this groupset ensures smooth, fast, and consistent gear changes for optimal riding efficiency and control.
- Replaceable Battery for Long-Term Use Equipped with a replaceable battery, the system offers extended usability and easy maintenance, reducing downtime and enhancing long-term performance.
- APP Programming for Customized Setup With APP programming support, riders can personalize shift settings, customize shift speed, and monitor system status for a tailored riding experience.
- Lightweight Alloy Construction Made from durable alloy materials, the groupset delivers a lightweight yet robust design, ideal for high-performance cycling applications.
- 32T Total Capacity for Wide Gear Range The 32T total capacity allows compatibility with wide-range cassettes, supporting versatile gearing options for demanding terrain and racing scenarios.
- Compact and Efficient Packaging Each unit is packed in a compact box measuring 35 x 28 x 22 cm with a weight of 2.286 kg, ensuring safe transport and easy storage.
