Mountain Bicycle Parts Colorful 4 Piston Hydraulic Disc Brake M840 With Cooling Full Meatal Pads

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Product Overview


Nightarmor MTB 4 Piston Hydraulic Disc Brake M840
Net weight
Front about 263g, Rear about 279g
Black, red, blue, purple
Aluminum alloy
With Cooling Full Meatal Pads
Fit 51 mm IS & 74mm post mounting, Mountain bike.
Left for front / Right for Rear
Oil/oil needle
mineral oil, lever side Bh59+ brake side special model
Hydraulic Disc Brake Set M840 *1
Products Description
Nightarmor MTB 4 Piston Hydraulic Disc Brake M840
Left for front / Right for Rear
Oil/oil needle: mineral oil.
lever side Bh59+ brake side special model .
Weight: Front about 263g, Rear about 279g.
Fit 51 mm IS & 74mm post mounting
There are four colors and two models in stock.
4 Piston Hydraulic Disc Brake M840 With Cooling Brake Pads
4 Piston Hydraulic Disc Brake M840 With Metal Brake Pads
Provide customized services. If you want please contact us.
packing & Delivery
Company Profile
We just keep making it better!
This is what Nightarmor is all about. With experiences of doing bicycle parts business for more than a decade. We are already providing a vast variety of drivetrain components to the riders for more than 150 countries. We make the best cassettes on aliexpress and we had the vision and desire to expand our presence in the cycling industry, so we are now expanding our Headset and Bottom Bracket business. Sure, a casual rider will appreciate solid performance, reliability, dependability and all the standard qualities one would expect. But it's the riders who live and breathe bicycles who love us most because bicycles are what we love, too. In fact, they're our only love. Bike components are all we do and how we live- which is why we do them so well.
Nightarmor began with the goal of creating the best drivetrain system and changed the cycling world with our innovative products. We are continuing to seek and deploy technological and engineering advancements, we are also expanding our B2B business, trying to keep making your cycling experience better.
Q1. Can I have a sample order for your product?
Sample order is welcome here. Mixed samples are acceptable. We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q2. What about the lead time?
Most of our products are in stock ,1-3 days for sample or small amount orders, 20-30 days for mass production depending on actual order size.

Q3. Do you have any MOQ limit for the order?
Low MOQ, 1pc for sample checking is available

Q4. How do you ship the goods and how long does it take to arrive?
We usually ship by express way like DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping arealso optional.

Q5. How to proceed an order?
Firstly, let us know your requirements or application. Secondly, we quote according to your requirements or our suggestions. Thirdly, customer confirms the samples and places deposit for formal order. Fourthly, we arrange the production.

Q6. Is it OK to print my logo on the product?
Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7: Do you offer guarantee for the products?
Yes, we offer 1-year warranty to our products.

Q8: How to deal with the faulty?
All our products are produced in strict quality control system and the defective rate will be less than 0.2%. During the guarantee period, we will send new products for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.

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