Question 1

What is the length of brake cables? Are they standard mechanical brake lines?

Accepted Answer

Our EDS TX/GEX Cable Brake Groupsets use standard mechanical disc brake cables, widely available in the market. Each set includes two brake cables. The length should be sufficient for most bikes.

Question 2

How do I achieve the most precise and smooth shifting with my EDS TX groupset?

Accepted Answer

Getting competition-grade shifting out of the EDS TX takes more than a quick app pairing. Follow this step-by-step setup protocol to make sure your system runs flawlessly across every gear. Phase 1: Before You Start — Three Golden Rules 1. Derailleur Hanger Alignment This is the single most importan

Question 3

What is the capacity of the battery?

Accepted Answer

Rear derailleur: 800mAh · Front derailleur: 500mAh — capable of 20,000 shifts per charge. For a professional rider covering 200km/day, expect ~10 days per charge. For an average rider at 20km/day, over a month per charge.

Question 4

Does the price include tax?

Accepted Answer

Yes, prices on our website are tax-included for most countries. Some regions may require additional tax. See our shipping policy for details.

Question 5

How long is the warranty?

Accepted Answer

We offer a 14-day return & refund policy and a 1-year warranty. See our warranty page for full details.

Question 6

After pressing the shifter lever, the rear derailleur does not shift normally

Accepted Answer

1.Check the button indicator light: If there is no light, replace the battery and test again. 2.Check the light color: If the button is lit but not green (e.g. red or yellow), the device is not paired correctly. Re-pair following the manual.

Question 7

The device cannot shift immediately after not riding for a long time

Accepted Answer

1.Charge the system — a low battery can delay activation 2.Gently shake the frame — this helps wake up the rear derailleur more quickly

Question 8

The rear derailleur position is inconsistent with the APP display

Accepted Answer

1.Go to the initial calibration page in the APP 2.Select the rear derailleur (upper section) 3.Press the right arrow (▶) and hold until the RD moves back to the smallest cassette

Question 9

How does the rear derailleur linkage function work with limit function enabled?

Accepted Answer

When the FD is on the large chainring, RD is below 3rd gear, and limit is enabled: RD Upshift: System executes an RD upshift once every 0.5 seconds. RD Reaches 3rd Gear: The RD upshifts until reaching 3rd gear. FD Downshift: Once RD reaches 3rd gear, system waits 2 seconds before executing the FD do

Question 10

How to do the initial calibration?

Accepted Answer

For EDS TX series: Set the front derailleur to the largest sprocket Set the rear derailleur to the smallest cog position Open the WHEELTOP App → Initial Calibration Use "<" or ">" buttons to align the RD pulley with the smallest cog Exit the initial calibration page For EDS GeX and OX series: Same s