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Middleburn 4mm Slickshift 104mm BCD 4 Arm Outer Chainring - HardCoat

Customer Reviews (2)
4.5 / 5| Write your review
£44.56 Please note this product has selling restrictions to your country. was
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SJS Cycles part number : 
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Product Reviews (2)
Questions & Answers (0) Q & A
Middleburn Outer chainrings have been revised and updated with a new tooth profile to be 8, 9 and 10 speed compatible. The rings are available in a range of sizes.

The 4mm is the thickness of the chainring. Traditionally 4 arm cranksets have used the same offset on the outer ring and is the most commonly used, later Shimano cranks use 5mm.

Slickshift means the chainring has ramps and pins to aid shifting.

Please Note: Middleburn HardCoat chainrings look like they show signs of wear around one of the chainring bolt sockets, this is a result of clamping during the manufacturing process and not of use. This is purely cosmetic and does not affect the performance of the chainring and will be covered by chainring bolts when installed.
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Product Reviews (2)
Overall Product Rating 4.5 / 5
Middleburn Quality
05 Mar 2019
5 / 5
I recommend this product
ProsDesigned to be turned 90° when necessary
A great chainring that lasts along time, quality that I would expect from Middleburn.
Last longer than the usual alloy.
11 Jul 2017
4 / 5
I recommend this product
I've been using these rings over 5 years for a 3 x 9sp drivetrain on a Surly LHT bespoke tourer. With the type of riding I do they need replacement every year.

I try and replace the chain early to eliminate the need for new rings/cassette, have a Park Tool CC2, but never catch the wear early enough and the new chain ends up slipping on the worn teeth of old cassette/rings.

I'm not entirely sure whether they're a better investment than standard Shimano alloy rings? They last longer, sure, but they cost more. Swings and roundabouts.

The shifting is good, but I occasionally drop the chain, even tho' derailleurs are optimised.

They certainly look good, are made by Middleburn, a British co., (that has recently been absorbed into BETD), and I'm happy enough to still be using them.

The hard coat adds durability, but when it wears off, the teeth are as susceptible as any other alloy to wear and tear. Stainless?

Hey ho, all in all, great rings, but a bit pricey.
Questions & Answers
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