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Shimano Ultegra RD-6800 Rear Derailleur

Item #: RD235B00
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Shimano Ultegra RD-6800 Rear Derailleur

Shimano Ultegra 6800 11 Speed Rear Derailleur

Shimano Ultegra 6800 11-Speed is one of the most anticipated groupos of the season. With trickle down from Dura-Ace 9000, what’s not to love? This race inspired group is super fast, reliable, and above all… smooth. The 6800 rear derailleur has been over hauled. The 2014 Shimano Ultegra 6800 Rear Derailleur is more compact and lightweight. A new spring mechanism has also been added to are balanced and equal across the cassette range.

  • More Compact
  • Lighter
  • Super Smooth
  • Trickle Down technology from Dura-Ace
5.0 / 5.0
9 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
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Upgrade from 10 speed to 11 speed
Delivery was prompt.
June 14, 2016
Location:
Birmingham, AL
Long cage provides 11-32 option to replace a triple.
The long cage allows use of an 11-32 cassette which provides the same low gear ratio as a triple with a 28 tooth cassette. And will still work with an 11-23 cassettes for flatland rides.

PROS: Easy To Install

BEST USES: Upgrade, Road Biking
July 10, 2015
Location:
Madison, WI
The Usual Shimano High Quality
Needed the mid-cage RD to accommodate Ultegra 6800 11-32 cassette on new Orbea Orca Bronze Ultegra roadbike (Fine!). Easy swap with new chain needed and all works very well.
Needed the 11-32 to help handle some huge 5-8%+)long inclines (e.g., 10+ miles)here in Central Oregon (and a few 12% pulls).

PROS: Attractive Design, Lightweight, Easy To Install, Durable
September 25, 2015
Location:
Central Oregon
Worth the pruchase
See my review of the 11-32 Ultegra 6800 cassette. I cover this there. You will like the 6800 components. Because it is 11 speed I was able to add a 32 for climbing and not give up any other gears to do so. Yo need the medium cage for the 11-32 cassette. I thought the 11 speed might be finiky to adjust and operate but not the case. solid, smooth and easy to get installed and operational.

PROS: Easy To Install, Attractive Design
September 20, 2013
Location:
Northern NY
Looks great, shifts great
Great service, arrived much faster than expected and was well packaged.
July 5, 2016
Location:
Ottawa, ON
Great as always
Very easy to adjust and install. Great upgrade to any 105 system.

PROS: Easy To Install, Durable, Lightweight
April 7, 2016
Location:
Orlando, Fl
Masterpiece of engineering.
As always JensonUSA order processing was lightning fast. I've never received free 2 day shipping from any other retailer but Jenson. You just can't ask for any better customer service.
August 5, 2016
Location:
Titusville, FL
Smooth as butter
Installed this on my new commuter (flat bar cross bike). Shifts great.

PROS: Durable, Lightweight, Attractive Design, Easy To Install

BEST USES: Casual Riding, Road Biking, Mountain Biking
March 31, 2016
Location:
Central Coast
Lose Weight, Look Great!
Swapped my drivetrain over from Sora to Ultegra, NIGHT AND DAY DIFFERENCE! Easy install, tuned right up!
October 17, 2016
Location:
Texas

Q & A

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Browse 3 questions Browse 3 questions and 2 answers
Will the 6800 work with 10spd Shimano shifters and a 10spd cassette?
Orange Fat Boy on Aug 10, 2016
BEST ANSWER: Yes it is backwards compatible.
Put down your phone and grab your handlebars!
Is this rear derailleur compatible with a 32 tooth cassette?
John on May 24, 2016
BEST ANSWER: RD-6800-GS (long cage) is compatible with cassettes having a 28T to 32T max gear.
RD-6800-SS (short cage) is compatible with cassettes having a 23T to 28T max gear.
What flat bar trigger shifter can I use with this derailleur? Will the XTR do?
Arvi on May 30, 2016

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.