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Middleburn RS8 X-Type Crank for 68/73mm Bottom Bracket - Black

£197.46 Please note this product has selling restrictions to your country. was
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SJS Cycles part number : 
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Questions & Answers (1) Q & A
Middleburn RS8 X-TYPE crank arms have been designed with performance in mind. The super lightweight arms can have a range of spiders fitted to cover all types of riding.

The cranks fit Middleburn's X-TYPE bottom bracket or the Hollow Tech bottom bracket from many other manufactures.

MATERIAL: 7075 T6 alloy
LENGTHS: 170mm, 175mm
FINISH: Black and Polished Silver
Q-Factor: 174mm

Lockring Included.
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Questions & Answers (1)
Compatible With Inner Diameter 24Mm Bb90?
28 Feb 2015
I will be prodealing a trek domane, but would like this crank to ween off excess parts...custom select a 42t chainring. My Domane has a BB90 bearings with an ultegra 24mm spindle running through.
1) Can I use this 24mm crank? I'm thinking x type=yessir
2) Do you sell a 42t chainring with chain retention? Will it allow a 50mm chainline? My legs and experience know what to crave.


As this Middleburn chainset has a 24mm diameter spindle it should be fie for use with the bottom bracket on your Trek. The largest direct mount chainring produced by Middleburn to fit this chainset is a 38T. When used with Middleburn's own direct mount chainrings a chain-line of 50mm is given.