Advantages: Top of the range "bling" rear mech Disadvantages: 9 speed "only", superceeded by RD-7800 10-speed version
...= easier pedalling, smaller cog = faster.
Specifications:
- 8/9-speed
- Max. Sprocket (what's the biggest rear cog this mech can handle ?) 27 teeth
- Min. Sprocket (what's the smallest rear cog this mech can handle ?) 11 teeth
- Front Difference 14 teeth max - that's a maximum difference between the number of teeth on the big and small from chainrings, ie a 53 teeth "big" ring and 39 teeth small one will work fine, but won't work with a triple chainset
- Total Capacity 29T (that's the difference between teh big and small REAR gogs PLUS the difference between the big and small fromt chainrings)
- 11 tooth guide / tension (top/bottom) pulleys with sealed bearings reduce friction, run quieter and wear longer due to alternating tooth contact between inner and outer chain plates.
- Weight 195g
Setting it up was very simple, as usual...
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Advantages: good all round performance Disadvantages: slighly heavy
...sometimes forget to turn it back and find myself going downhill without any damping! The BAR 2.1 is also the same in allowing you to vary the reboud adjustment.
Ride and handling are solid and the bike has shrugged off the odd crash with no problems. The Shimano Deore hydraulic brakes work well and give lots of control is these situations!.
The only slight problem I've had was the front derailleur in pushing the chain across to the big chainring, but managed to fix this after a bit of fiddling.
For the future, I'll probably upgrade the cranks to XT (being lighter and more smoother than the ShimanoM440 fitted) and also the forks to 120mm travel. (The higher spec Fuel 90 has the RockShox Recon 351 U-Turn which is 85-130mm, so I know my frame can take the change)
All in all a good bike, especially if you can find it cheap as I did!
(I...
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Ciao members have rated this review on average somewhat helpful
...This is a superb ring from that great manufactuer Shimano. This chain ring offers you a precision engineered teeth and a five arm fing that will take a good bashing. How ever with this you also get a mass produced expensive piece of metal. For those who want a ring that only needs replacing every anum, then this is for you. Shimano do a wide range of products that are compatible with most makes of bikes. I would recomend this ring for the fast furious dual. exciting downhill and exillerating jumping....
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Ciao members have rated this review on average somewhat helpful