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Middleburn X-Type Duo Chainset with HardCoat Rings - 38/24T - 175mm

£262.99 Please note this product has selling restrictions to your country. was
Manufacturer : 
SJS Cycles part number : 
Manufacturer part number : 
THE RS8 X-Type Duo is a versatile two ring chain set. The crank set has a 26t inner ring & a 39t outer ring, this ratio is perfect for a 26” wheeled mountain bike.

The RS8 X-Type arms are forged 7075T6 alloy for increased strength. The spider is machined from a solid billet that starts out at 400g & ends up weighing just 65g. The rings are machined from 7075T6 aerospace plate & then finished in Middleburns Hardcoat finish. The Hardcoat finish in tests last 4 times longer than standard anodising & the surface is 10 times more slippery.

The total weight of the 170mm crankset is 716 grams.
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Crank for Shimano 105 group
13 Feb 2019

I have a bike with a Shimano 105 FC-7000 50/34 crank (11/34 cassette). Can I replace this crank with your "Middleburn X-Type Duo Chainset with HardCoat Rings - 38/24T - 175mm" without changing something on the bearings?

I mean just by pulling the old 105 crank out and insert the new one? Does the width of the crankshaft fit?

Hi there,

Unfortunately as we have never tried this we cannot say for certain im afraid.