Friday, November 5, 2010

Shimano Dura Ace Rear Derailleur RD-7900-SS Compatibility and Specs

Shimano Dura Ace Rear Derailleur RD-7900 Short Cage

The rear derailleur has an innovative design in carbon and a wider applications radius for programmed motion.

Carbon pulley plate | Lightweight & rigid
Wide gear-ratio compatible | 28T cog max capacity
Wide Link Design | Increases shifting precision
Model Number RD-7900
Series DURA-ACE
Cassette Compatibility 10-speed
Maximum Sprocket 28T
Minimum Sprocket 11T
Maximum Front Difference 16T
Total Capacity 33T
Guide Pulley sealed bearing
Tension Pulley sealed bearing
Bracket Body cold forged aluminum/anodized
Bracket Pivot Seal double O-rings
Plate Body engineered plastic/painted
Plate Pivot Seal single O-ring
Outer Link cold forged aluminum/anodized
Inner Link cold forged aluminum/anodized
Link Pin Bushings fluorine coated (4)
Outer Plate carbon
Inner Plate carbon
Average Weight 166g

Japan Retail price 20.361 yen (see cross rate here)

Compatible with ST-7900, ST-6700, ST-5700. And also with ST-7801, ST-6600, ST-6600G, ST-5600, ST-5600L, ST-R700.
Compatible with Shimano 10 speed Cassettes: CS-7900, CS-6700, CS-5700, CS-7800, CS-6600, CS-5600
Compatible with Shimano 10 speed chains: CN-7900, CN-7901, CN-6701, CN-6700, CN-5701 CN-7801, CN-6600, CN-5600

This is for road bike usage will also works for cyclo-cross / randonneur / touring, etc...

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