- 3
- 50-39-30T
- 45
Specifications
As listed in the manufacturer's catalog.
General
- Series
- TIAGRA
- Model no.
- FC-4703
- Color / 1
- Series color
- Rear speeds
- 10
- Compatible chain
- HG-X 10-speed
- Chain line (mm)
- 45
- P.C.D. (mm)
- 110/74
- Spider/gear arms
- 4
- Chainring combination
- 50-39-30T
- Q-factor (mm)
- 158.8
- 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
- Inner ring fixing screw / 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+GFRP
- Finish
- Anodized
Middle ring
- Material
- Aluminum
- Finish
- Anodized
Inner ring
- Material
- Steel
- Finish
- Plated
How spec sheets write it
The most common ways bicycle spec sheets name it, by number of mentions.
-
Shimano FC-4703 / 50-39-30T / XS, 165mm / S, 170mm / M-XL, 175mm
-
Shimano Tiagra FC-4703, 50x39x30T
-
Shimano Tiagra FC-4703, Hollowtech II style with solid crank, 50x39x30T w/BB(BSA), crank length: 170mm-46/55cm, 172.5mm-57/59cm, 175mm-61cm
Bicycles
Published bicycles that use it, newest model years first.
