Front Derailleur for double chainring 2 x 9s, clamp type 31.8mm, compact chaincage for shorter chainstay, top chainring max. 36 ~ 52T

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Technical Specifications

Model No.FD-R52S-B
Chain RingDouble
Cassette Compatibility10 / 9 Speed
Top Gear Teeth36-50T
Route TypeDown Pull
Chainstay Angle61-66
Mount TypeBand
Chain Line43.5mm
Band DiameterΦ34.9 / Φ31.8 (1)
Front Clamp BandAluminum cold forged / anodized
Rear Clamp BandAluminum cold forged / anodized
Outer LinkAluminum cold forged / anodized
Inner LinkAluminum cold forged
Chain GuideSmall size / Steel C.P
Remarks(1) -Clamp spacer (SM-R28) allow the derailleur to be Φ28.6mm frame tube. Without ring spacer the derailleur mounts to Φ31.8mm frame tube.

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