Brakes
for MotoTec X4 150cc Gas Dirt Bike
Brakes verified to fit the MotoTec X4 150cc Gas Dirt Bike . Every part below carries the X4150 fitment tag, checked before it ships. See everything for the MotoTec X4 150cc Gas Dirt Bike.
Verified Fit
Verified Fit
Verified Fit
Brakes before power, and how to bed pads properly
Everyone upgrades the motor first. Then they find out the stock brakes were sized for the stock bike. Here is the order...
Read the guide →
Verified Fit
Verified Fit
Verified Fit
Verified FitGearing Calculator
Pick a sprocket combo and see top speed, torque change and chain length before you spend anything.
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Verified FitBrakes questions, answered
Which pads should I buy?
How do I bed in new pads?
Do I need to bleed the brakes?
Why do my brakes fade on long descents?
How do I know a part fits my bike?
What if it does not fit?
About Brakes
Everyone upgrades the motor first, then finds out the stock brakes were sized for the stock bike. On a Surron Light Bee X or Talaria Sting R the order that actually works is protection, then brakes, then power.
Where the mush comes from. Stock rubber brake lines swell under pressure; that is the vague feel at the lever. Braided stainless lines do not swell, and on the Light Bee X they cut lever flex by about 40% on their own. A four-piston front caliper with a braided line bolts to the stock radial mount with no adapter and turns the lever into something you can trust downhill.
After install. The 20 minutes you spend bedding new pads decide how well they ever work. The bedding guide walks through it. Every part on this page shows its verified fitment per bike; the DOT 4 fluid spec and rotor sizes are in the product specs.
