- 108
- 38T, 40T
- 49.7
Specifications
As listed in the manufacturer's catalog.
General
- Series
- GRX
- Model no.
- FC-RX610-1
- Color / 1
- Series color
- Rear speeds
- 12
- Compatible chain
- HG 12-speed
- Chain line (mm)
- 49.7
- P.C.D. (mm)
- 110
- Spider/gear arms
- 4
- Chainring combination
- 38T, 40T
- Q-factor (mm)
- 151
- Optional chain guard / Without chain/bash guard
- Yes
- HOLLOWTECH II
- Yes
- Compatible bottom bracket type / Outboard
- Yes
- Outer/middle ring fixing bolt / Material
- Stainless steel
- Crank fixing screw included
- Yes
- Average weight (g) (170 mm, w/o bottom bracket)
-
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
- Steel
- Finish
- Painted
How spec sheets write it
The most common ways bicycle spec sheets name it, by number of mentions.
-
SHIMANO GRX FC-RX610-1 40T
-
GRX RX610-1 1x12 Chainset-170mm-40T
-
Shimano FC-RX610-1 40T (XXS: 165mm, 51: 170mm, 54&56: 172.5, 58: 175mm)
-
SHIMANO GRX RX610-1 (40T) - length 172.5 mm (S - M), 175 mm (L)
-
Shimano FC-RX610-1 40T 12s (S&M: 170mm, L&XL: 172.5)
-
Shimano FC-RX610-1, 40T, 170mm
-
Shimano GRX FC-RX610-1, 40T
-
Shimano GRX RX 610-1 40t
Bicycles
Published bicycles that use it, newest model years first.
