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The perfect answer to a 2x road style derailleur that can be used for both gravel and road rides. The new clutch based system puts you in control of both worlds. Tighten it up when youre going off road to ensure the chain is tensioned across the rough stuff. Then loosen it off when you plan to head on out to the smooth terrain for efficient pedalling.
The added weight of the clutch compared to road variants only makes the RD-RX800 40 grams heavier and makes you a beast on and off the road. Chain Stabilizer mechanism adopted from MTB design Clutch: ON/OFF switch Compatible with current road DUAL CONTROL LEVER Max. front difference: 16T Total capacity: 39T Low sprocket: Max. 34T/Min. 28T Top sprocket: Max. 12T/Min. 11T
MODEL NO: RD-RX800-GS SERIES: SHIMANO ULTEGRA RX800 Average weight: 248 g Compatible chain: HG-X11 Fluoric coated link bushings: 4 Low sprocket Max: 34T Low sprocket Min: 28T Max front difference: 16T Pulley Teeth: 11T Pulley cage: GS Rear speeds: 11 Top sprocket Max: 11T Top sprocket Min: 11T Total capacity: 39T
5 Star (19)
4 Star (3)
3 Star (1)
2 Star (2)
1 Star (1)
Average Star Rating: 4.4 out of 5
(26 customer reviews)
26 reviews for Shimano Ultegra RD-RX805 Di2 11sp Medium Cage Derailleur Black
Rated 4 out of 5
Cross Thread from Seattle, United States
My friend recommended it to me and she was absolutely right
Rated 4 out of 5
Transparent Reminder from Bournemouth, United Kingdom
Great value and as good as advertised. Got them for 3 months and it is everything I expected.
United States of America
Cross Thread from Seattle, United States
My friend recommended it to me and she was absolutely right
Transparent Reminder from Bournemouth, United Kingdom
Great value and as good as advertised. Got them for 3 months and it is everything I expected.
Ridge Runner from Khabarovsk, Russia
Its alright
The Prophet from Philadelphia, United States
Product is bad quality look for something else
Cute Insider from Montreal, Canada
Too many flaws with the quality of this item