Shimano Acera MT420 4 Piston Disc Brake Caliper Reviews

Review score: 8.6/10 – Updated November, 2024

Latest Price: £49.99 (RRP: £49.99)

Take a look now to discover what makes Shimano Acera MT420 4 Piston Disc Brake Caliper worthy of a review score of 8.6 out of 10.

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Skip to content:

• Features
• Quality
• Price
• Reviews
• Brand – Shimano
• Videos
• Summary
• Alternatives

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View reviews at Chain Reaction Cycles

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Shimano Acera MT420 4 Piston Disc Brake Caliper features

Quality

Quality is without doubt one of the most important factors that we consider when buying bikes, parts, accessories or clothing. As you’d imagine it’s especially important when buying Brakes. Let’s take at a look at the sort of things you can look at when trying to ascertain the quality of Shimano Acera MT420 4 Piston Disc Brake Caliper.

The first thing is material. Looking at what Shimano Acera MT420 4 Piston Disc Brake Caliper is made of will give you a really good idea of the quality overall. Take a look at the specs above and you should be able to see the material. It’s then up to you to decide if it meets your expectation.

Similarly you’ll also want to spend some time looking at the features too. Again the table above, listing the features will give you a really good overview. However you should think about the sort of features that you’d expect when buying new Brakes. It’s worth writing a list of the “must-have” features so that you don’t end up compromising and missing some important features, or alternatively end up buying an unnecessarily high specced product.

There’s also a lot of merit in checking out the brand of the product and looking at the various brands that are selling Brakes. Brands like Shimano are of courses extremely well respected in the cycling community so you know you’re getting a fantastic product with them. But if you’re undecided on your product you should write up a list of brands that you’d be happy to buy. It’s a great way of filtering and narrowing down the number of products when you’re searching.

Next up you’ll want to think about the price and use that as a guide to set your expectations of the quality. If you’re buying the cheapest of the options in the Brakes category you should probably expect it to not be of as good quality as the most expensive. It sounds obvious of course. But this is where you can get a bit clever and use your combination of features, specs, materials and other factors to work together to get a really good quality product at the best price. We often draw up a list of “must-haves” and use these as filters when shopping online so that you’re only seeing products that meet your criteria. You can then sort by Price>Low to get the best deals.

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Comparing Prices

Price, as you would imagine, is the most popular reason for someone buying one product over another. It is the single most important factor in choosing the majority of products we buy. The same goes for Brakes.

It’s at this stage of the buying process, when you’re looking at different options, that you should set a budget. Do some research to understand how much roughly you can expect to pay for the sort of level of product that you’re looking for. Then match that to your own personal circumstance and how much you can afford to spend. This will really help you in narrowing down the right product for you.

Price of Shimano Acera MT420 4 Piston Disc Brake Caliper

So the first aspect of price that we’re going to look at is the price of Shimano Acera MT420 4 Piston Disc Brake Caliper.

We run regular scans across the web to find the best prices for the products that we review, from a range of cycling retailers. The best price we managed to find Shimano Acera MT420 4 Piston Disc Brake Caliper was over at Chain Reaction Cycles where the price was £49.99 in our latest search.

Based on this price we’ve scored it 8.6 out of 10 for price.

Average price of Brakes

Next we wanted to look at how much you can expect to pay, on average, for Brakes.

We found 171 in the Brakes category over at Chain Reaction Cycles. We looked at the average price of the products within this category and found the average is £122.95, making it below average at £49.99.

It’s sometimes helpful to look at how much the prices can vary. Especially when setting yourself a budget, or when trying to understand just how much you could spend on Brakes. We found that the most expensive product currently available was £499.00, whilst the cheapest we managed to find was £7.99.

With 171 products available we worked out that 127 cost more than Shimano Acera MT420 4 Piston Disc Brake Caliper and 40 were cheaper.

Cost of Shimano products

At Chain Reaction Cycles we found 854 products from Shimano, of which 62 were in the Brakes category.

For now though we’re looking at Shimano branded products in all categories. The average price of these products was £94.29 making this product below average.

You’ll also be interested to know that the cheapest Shimano product we found was £1.00 and the highest price we could find from them was £1999.99.

Of the 854 from Shimano, 372 were more expensive than Shimano Acera MT420 4 Piston Disc Brake Caliper and 474 were cheaper.

How much are Shimano Brakes?

We then wanted to get a bit more specific and only look at Shimano products that are listed in the Brakes category.

The average price of the 62 products that match this search was £114.49, with the cheapest coming in at £14.44 and highest price was £499.00. With the average being £114.49, Shimano Acera MT420 4 Piston Disc Brake Caliper comes in below average.

39 products that meet this search were more expensive than Shimano Acera MT420 4 Piston Disc Brake Caliper and 20 were cheaper.

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Shimano Acera MT420 4 Piston Disc Brake Caliper Reviews

Reading reviews is an amazing way of getting a good feel for a product without actually being able to try it or see it first.

There are two different types of reviews, and we also recommend reading both.

1. Expert reviews – In the cycle industry there are loads of really reliable trusted resources for expert reviews. For example if you’re looking to buy a new bike, BikeRadar Bike Reviews are great.

2. Customer reviews – these are probably your best resource for information. There’s no finances or influence involved, they’re purely just honest reviews from customers that have bought and used the product. The reason we love customer reviews so much is because no matter if their view is good or bad, there’s a very good chance that it will be honest and unbiased.

Our best advice is to head over to Chain Reaction Cycles and read the Shimano Acera MT420 4 Piston Disc Brake Caliper reviews there.

Based on what we’ve seen in terms of reviews for Shimano Acera MT420 4 Piston Disc Brake Caliper, it really does look like a great buy. So for the review score, we’ve scored it 9.2 out of 10. The average review score for all products in the Brakes category at Chain Reaction Cycles is 4.4 out of 5.

Owner reviews, as we say, are one of the most important pieces of research that we can do before we buy. So, with that in mind, if you do go on to buy Shimano Acera MT420 4 Piston Disc Brake Caliper or another similar product, like Shimano Sora R3030 9 Speed Triple Chainset reviews or Shimano Tourney A073 7-8 Speed Triple Chainset reviews we’d love you to leave a review in the comments below. It will really help future buyers just like you, when they’re looking to buy Brakes.

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Brand

As we said in the pricing part of the review, brand is a really important consideration, but especially so when looking to buy Brakes. But as you’re probably already aware, you’re on to a great choice if you do go with Shimano, as they’re a fantastic brand, making amazing products.

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YouTube Video of Shimano Acera MT420 4 Piston Disc Brake Caliper

Below we’ve embedded a video from YouTube where we’ve searched for Shimano Acera MT420 4 Piston Disc Brake Caliper reviews.

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Summary

Overall, we’ve been hugely impressed by the quality, price, reviews and features of Shimano Acera MT420 4 Piston Disc Brake Caliper. We’d say that as long as it fits your budget and meets your expectations in terms of features/spec…it’s a really strong contender. That’s why we’ve scored it a massive 8.6/10 overall.

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Further product details

• Product ID 1: 27131275813
• Product ID 2: 805179UK
• Brand: Shimano
• Model number: BRMT420FR
• RRP: £49.99
• EAN: 4550170443450
• Description: Shimano Acera MT420 4 Piston Disc Brake CaliperPerfectly suited for MTB, trekking and even E-bike riding, this hydraulic disc brake caliper offers consistent braking performance and reliable stopping power in all conditions. It features a four piston caliper that instils greater downhill confidence and control, whether you’re shredding the trails or exploring the off-road. In comparison to its 2-piston predecessor, this model offers a 20% increase in braking power and a 150% increase in wear-resistance. This makes it more then capable of handling all the challenges that are associated with all-day epics in the mountains.Features:Material: Aluminium paintedUse: MTB, Trekking and E-bikePad Mount: Split pinPad Standard: D03S Resin; D02S MetalOne Way Bleeding: YesOil: Shimano mineral oilMount Type: Post-typeHose Joint: StraightFixing Bolt Tool Size: 5mmCaliper Fixing Bolt: Snap ringBrake Type: Hydraulic disc brakeBrake Hose Type: SM-BH90-SSRecommended Brake Lever: BL-MT401, BL-MT402-3ARecommended Brake Rotor: SM-RT30 *, SM-RT54 *, SM-RT56 *, SM-RT64Pad Compatibility: * Only compatible with resin padNumber of Pistons: 4Front or Rear: Can be used as eitherSingle or Pair: SinglePart Number: BRMT420FRTechnologies:Four Piston: Disc brake system with the dual diameter opposed-piston caliper design has differently sized pistons in front and in the rear. The system adopts a power transfer system in which the disc brake rotor is pressed by the smaller sized piston at the entrance of the disc brake rotor intake and also by the more powerful larger sized piston at the back. This prevents the wobbling motion of the disc brake rotor and reduces noises significantly. The 4-piston caliper also allows a wider contact area for the disc brake rotor while keeping the size compact, and the efficient location of pads is adjusted as necessary to stabilize the pressure. In combination use with the SERVOWAVE lever it provides an incredible 50% more stopping power than the previous model. The advanced SAINT/ZEE disc brake system, which adjusts to accommodate the different braking styles of different riders, offers stable braking power and excellent modulation.One Way Bleeding: ‚ÄúONE WAY BLEEDING‚Äù was developed for quick and easy prevention of air in our hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system. One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.
• Full Category: Components > Brakes
• Size: Front or Rear
• Unisex
• 0
• Adult

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Other options for Brakes

As you’d imagine there are so many options out there when buying Brakes. 171 in fact.

A few of our other favourites that we spotted when researching Shimano Acera MT420 4 Piston Disc Brake Caliper included,
Shimano Dura-Ace 9010 Road Brake Caliper 2017 reviews, Shimano RT-EM900 Steps rotor with lockring reviews, or we really liked the look of Shimano Deore M618 DM 2×10 MTB Front Derailleur reviews as another alternative.