- 50
- 50-34T
- 44.5
Specifications
As listed in the manufacturer's catalog.
General
- Series
- SHIMANO
- Model no.
- FC-RS520
- Color / 1
- Black
- Rear speeds
- 12
- Compatible chain
- HG 12-speed
- Chain line (mm)
- 44.5
- P.C.D. (mm)
- 110
- Spider/gear arms
- 4
- Chainring combination
- 50-34T
- Q-factor (mm)
- 150
- Optional chain guard / Without chain/bash guard
- Yes
- 2-PIECE CRANKSET
- Yes
- Compatible bottom bracket type / Outboard
- Yes
- Outer/middle ring fixing bolt / Material
- Stainless steel
- Crank fixing screw included
- Yes
Crank arm length (mm)
- 165
- Yes
- 170
- Yes
- 172.5
- Yes
- 175
- Yes
Recommended bottom bracket
- Threaded (normal)
- BB-RS501
- Press-Fit
- BB-RS500-PB
Threaded bottom bracket shell width (mm)
- 68
- Yes
- 70
- Yes
Crank arm
- Material
- Aluminum
- Finish
- Anodized
Crank axle
- Material
- Steel
- Finish
- Plated
Outer ring
- Material
- Aluminum+Resin
- Finish
- Painted
Inner ring
- Material
- Aluminum
- Finish
- Anodized
How spec sheets write it
The most common ways bicycle spec sheets name it, by number of mentions.
-
Shimano FC-RS520, 50/34T
-
Shimano FC-RS520, 34/50 XS:170mm, S:170mm, M:172.5mm, M/L:172.5mm, L:175mm, XL:175mm
-
Shimano FC-RS520, 50/34T, 12 Speed
-
Shimano FC-RS520, 50x34T
-
Shimano FC-RS520, 34/50 XXS: 165mm, XS: 165mm, S: 170mm, M: 170mm, L: 172.5mm
-
Shimano FC-RS520, 50-34T
-
Shimano RS520
-
Shimano RS520, 50/34
Bicycles
Published bicycles that use it, newest model years first.
