GT Grade Tiagra

Name: GT Grade Tiagra
Brand: GT

2017 RoadGravel

Last known price: $1,190

Prices shown first for United States
Suspension: Rigid
Wheels: 700c
Drivetrain: 10 12–28t
Gear range: 233%
Frame: Aluminum
Brakes: Mechanical disc

Sizes

Size guide

48cm
50cm
51cm
53cm
55cm
56cm
58cm
60cm

The manufacturer did not publish rider heights for these sizes.

Components

15 of 22 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Grade alloy frame with smooth welds, hydroformed (TT,DT), Tapered 1 1/8"-1 1/4" headtube, standard BB Not identified

Suspension

2 parts

Fork

Grade Carbon 1 1/8 to 1 1/4" threadless alum steerer, disc specific Not identified
Rear shock

None

Drivetrain

7 parts

Bottom bracket

Sealed Cartridge Not identified
Cassette
- Shimano CS-4600
CS-4600
Chain
- KMC X10 10 speeds
Crankset
- FSA VERO PRO 1X
Front derailleur
- Shimano Tiagra
Rear derailleur
- Shimano Tiagra
Shifters
- Shimano Tiagra

Brakes

2 parts

Wheels and tires

4 parts

Cockpit and contact points

7 parts

Grips

Velo Cork Not identified
Handlebar
- GT
Headset

Integrated TH sealed bearing Not identified
Pedals

Low Profile Nylon w/ Toe Clips Not identified
Saddle
- GT
Seatpost

One Bolt Aluminun Not identified
Stem
- GT

Sizes and geometry

8 sizes

Rider-height ranges are not published for these sizes.

Size

Geometry not published

The manufacturer lists these sizes without frame measurements, so there is no drawing or geometry table.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Fork material: Carbon

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Rear sprockets: 10
Smallest sprocket: 12
Largest sprocket: 28

Wheels and brakes

Wheel configuration: Same size
Brake type: Mechanical disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Wheel material: Aluminum
Wheel size: 700c

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2017 builds

Differences across 2017 builds
Specification	This bicycle GT Grade Tiagra	GT Grade 105	GT Grade Carbon 105	GT Grade Carbon Tiagra	GT Grade Carbon Ultegra	GT Grade Claris
Frame
Frame material	Aluminum	Aluminum	Carbon	Carbon	Carbon	Aluminum
Fork material	Carbon	Carbon	Carbon	Carbon	Carbon	Aluminum
Drivetrain
Rear sprockets	10	11	11	10	11	8
Smallest sprocket	12	11	11	11	11	12
Largest sprocket	28	32	32	34	32	25
Front chainrings	Not informed	2	2	Not informed	2	2
Smallest chainring	Not informed	Not informed	36	Not informed	36	34
Largest chainring	Not informed	Not informed	52	Not informed	52	50
Lowest gear	Not informed	Not informed	32.6 in	Not informed	32.6 in	39.4 in
Highest gear	Not informed	Not informed	137.1 in	Not informed	137.1 in	120.8 in
Brakes
Brake type	Mechanical disc	Mechanical disc	Hydraulic disc	Mechanical disc	Hydraulic disc	Mechanical disc
Other specifications
Bottom bracket standard	BSA	BSA	PF30	BB30	PF30	BSA
Tire width	Not informed	Not informed	32c	32c	32c	Not informed