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  • Shimano Ultegra 6750 Compact 10sp Chainset
  • Shimano Ultegra 6750 Compact 10sp Chainset
From $174.99 - $184.99
  • RRP$279.99
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Select  BoltCircle
110mm
Select  Colour
Select  Length
165mm
170mm
172.5mm
175mm
Select  Teeth
50.34t
  • IN STOCK(5+)

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Shimano Ultegra Compact Chainset 6750

The HollowTech II 10-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders.

Shimano Ultegra Compact Chainset 6750 Features:

  • HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load
  • The chainring teeth have been developed to work in conjunction with the CN7900 and CN6700 chains for increased contact to provide greater efficiency and improved power transfer
  • Industry leading HollowTech II cold forged hollow crank arms have been evolved to increase rigidity, reduce weight and improve strength
  • HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency (not included)
  • Weight - 785g

*Please Note: BB Not included*

Buy Shimano Ultegra Compact Chainset 6750 from Chain Reaction Cycles, the worlds largest online bicycle store.

  • Colour: Silver, Grey
  • BoltCircle: 110mm
  • Teeth: 50.34t
  • Speed: 10 Speed
  • Length: 175mm, 165mm, 172.5mm, 170mm
  • Material: Alloy
Rated 4.8 out of 5 by 6 reviewers.
Rated 5 out of 5 by Great looks and quality too Part of my upgrade from Tiagra, easy to fit providing you have the Crank arm tool, TL- FC16. the plastic one does the job fine. The grey version looks stunning and as you would expect from Shimano Ultegra works faultlessly. A must have. 09 July 2014
Rated 5 out of 5 by Thank god they invented the 11 speed it allowed us 10 speeders sone great bargins Its a great product and with the advent of the 11 speed those who rock the 10 speed can upgrade on the cheap :) 30 May 2014
Rated 5 out of 5 by Great piece of kit I bought this chainset to replace the stock Oval/FSA compact chainset on my Fuji Altamira. I was concerned that it wouldn't match up with the FSA BB86 that was on the bike but fitting it was a doddle and a quick measurement with an electronic vernier confirmed that both shafts were identical in size. Gear changes seem smoother and I'm very happy with how it looks on the bike. I got my LBS to torque the bolts for me when getting the bike serviced. 19 August 2013
Rated 5 out of 5 by 1-2 Extra Gears At 45 y/o and 90KG with knees creaking as I grind up climbs, I finally conceded it was time to ‘go compact’. This compact set does not give you a MTB granny gear capability. However, it does give you 1-2 extra gears for climbing. I now spend significantly more time in the saddle on climbs. I have definitely had an increase in cardio/respiratory output due to the higher cadence when climbing; this took a few decent long climbs to adjust to. This is a man’s answer to a ‘triple’! 22 June 2013
Rated 4 out of 5 by Light, strong, good lookin and easy on the legs ;) 11 April 2013
Rated 5 out of 5 by Light and looks great Just upgraded to this chainset from my 105 double. Switching to compact was great for me as my desire to climb hills was not matched by my ability!!! Looks great on the bike, is lighter and shifts well when compared to the 105 double. 07 May 2012
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17 Questions : 18 Answers

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Do I need a new BB on a 2013 Domane 4.5

I would like to replace the Shimano R565 compact crank on my Domane 4.5 with an Ultegra 6750 compact. Do I need to change the BB on my bike to install this crank? I believe my BB is press fit so if it must be replaced how do I do that? The Shimano 6700 BB appears to screw into the frame.
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Answer: 
This crankset will be a direct replacement for your current model and is compatible with the BB90 on your frame.

Changing the bottom bracket would be possible by carefully knocking the old cups out and pressing in the new set with a BB Press.

However the BB90 is specific to Trek and we do not currently stock it.
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Answer: 
I have a 2014 Domane 4.0 which came with the Trek BB90 press in bottom bracket and Tiagra compact crank. It was a straight swap, you will need a Crank Arm Tool TL-FC 16, the plastic one at about £2.00 works fine,
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Answer: 
This crankset in conjunction will give a lowest gear ratio of 1.2 which should be adequate for climbing most hills.

For further information; please contact our Technical Department - http://www.chainreactioncycles.com/...
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Answer: 
All Shimano cranksets run a 24mm spindle and can be fitted to a Trek BB90 frame by using the appropriate press-fit bottom bracket, available from your local Trek dealer. For a Shimano crank, you need bracket kit 404699, as shown on the owners manual (http://www.trekbikes.com/pdf/owners... - page 14)
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I know the BB is a press fit, I don't know what standard it is. the BB on my bike already has a shimano 105 crankset fitted. will this fit?
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Answer: 
Yes; the Cube Agree ran a 'Shimano Press Fit' bottom bracket shell, and should be running the BB71 bracket as standard. This will accept any standard 24mm Shimano crank, so the Ultegra will be fine, yes.
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Anonymous
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Answer: 
The choice of crank length is purely down to rider preference.

Some say the taller the rider the longer the crank arm but there are no hard and fast rules or reasons behind this.
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does this crankset fit my bike

I have a Kuota Kharma 2009. Does this shimano ultegra 6750 will go on my bike and what buttom bracket I need with it.
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Answer: 
Not being a Kuota dealer I am unable to confirm what standard of bottom bracket it is running, but I believe it runs a BSA 68mm shell. If so, then the standard Hollowtech II bracket linked below should be fine.
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italian or english

if i am purchasing this with the ultegra BB,
http://www.chainreactioncycles.com/sg/en/shimano-ultegra-6700-6703-bottom-bracket/rp-prod38998

should i be getting italian or english thread?
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Answer: 
The Thread Type is in relation to how the frame has been machined.

English Thread has a 68mm Bottom Bracket shell and Italian Thread is 70mm wide.

If you measure the frame Bottom Bracket Shell width you will have your answer (see here - http://i.imgur.com/g4qkb1W.jpg).
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Answer: 
Due to the narrower teeth on a 10-speed chainring; it will eat into a 9-speed chain (which is essential for shifting on the 9-speed cassette) at a much higher rate than normal.

This combination of drivetrain speeds is not recommended due to reduced shifting efficiency and component longevity.
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Answer: 
This crankset is for use with a 10-speed drivetrain and as it runs on a Shimano Hollowtech II bottom bracket; it is also compatible with the Dura-Ace 7800 bottom bracket and 7800 components.
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Answer: 
Yes, you can replace a 10 sp FSA Gossamer (campagnolo) with this ultegra 6750 (10sp) but you will need to buy a Shimano Ultegra 6700-6703 Bottom Bracket as well.
 
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