To reduce speed robbing friction the RED rear derailleur uses new AeroGlide pulleys. The AeroGlide pulleys have an optimized tooth profile to work best with SRAM''s PC-1091R chain although other 10-speed chains will work just fine. These pulleys are the key to this derailleurs quietness. To insure that they roll smooth SRAM uses Black-Box Ceramic Bearings in both the upper and lower pulleys.
Features
Exact Actuation cable pull ratio for super-precise shifting in conjunction with ZeroLoss shifters
Carbon fiber cage and inner link, titanium hardware, and AeroGlide ceramic bearing pulleys
Polished aluminum outer links with integrated, spring-fixed barrel adjuster
Short cage has extended B-Knuckle for improved clearance with 28t cassettes
Specifications
Speed: 11 speed
Cage: short
Min/Max: short cage - 11/28T; medium cage - 11/32T
Color: carbon/grey/black
Mfr Claimed Weight
short cage - 145g; medium cage - 165g
Sram Red Rear Derailleur Aero Glide Short Cage 10 Speed MY12
To reduce speed robbing friction the RED rear derailleur uses new AeroGlide pulleys. The AeroGlide pulleys have an optimized tooth profile to work best with SRAM''s PC-1091R chain although other 10-speed chains will work just fine. These pulleys are the key to this derailleurs quietness. To insure that they roll smooth SRAM uses Black-Box Ceramic Bearings in both the upper and lower pulleys.
Features
Exact Actuation cable pull ratio for super-precise shifting in conjunction with ZeroLoss shifters
Carbon fiber cage and inner link, titanium hardware, and AeroGlide ceramic bearing pulleys
Polished aluminum outer links with integrated, spring-fixed barrel adjuster
Short cage has extended B-Knuckle for improved clearance with 28t cassettes
Specifications
Speed: 11 speed
Cage: short
Min/Max: short cage - 11/28T; medium cage - 11/32T
Color: carbon/grey/black
Mfr Claimed Weight
short cage - 145g; medium cage - 165g
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