Giant size guides

Giant
Bike Sizing

Choosing the right size Giant bike is easy. First, measure your height and inside leg (inseam). Then look at the size tables below and find the one for the Giant bike you would like to buy. Now use your height and inside leg measurements to find the size that will fit you best. If you would like more in depth information on bike sizing see our see our bike size guide for step by step instructions.


Giant Road Bike Sizes

Giant Road Bike Sizes

Giant Contend, Defy, Propel, TCR & Fastroad sizes

Intended Use: To be ridden on tarmac and hard pack surfaces. These bikes have fast skinny tyres and race geometry to make the most out of road surfaces. They are not intended to be ridden on very rough surfaces.

  • Giant Contend SL
  • Giant Defy
  • Giant Propel
  • Giant TCR SL
  • Giant Fastroad

Typical Giant Road Bike Size Chart

Please see the individual size chart on product page for model specific sizing.

Size

Height (cm)

Height (inches)

XS

160 - 165

5’3” – 5’5”

S

165 - 172

5’5” – 5’8”

M

172 - 180

5’8” – 5’11”

M/L

180 - 185

5’11” – 6’1”

L

185 - 193

6’1” – 6’4”

XL

193 - 196

6’4” – 6’5”

 

 



Giant Gravel & Cyclocross Bike Sizes

Giant Road Bike Sizes

Giant TCX & Revolt sizes

Intended Use: For paved, gravel and dirt roads that are in good condition where the tyres do not loose contact with the ground. Also cyclocross tracks (for CX bikes) and bike paths. 
Not intended for off-road or mountain bike use, or for any kind of Jumping.


  • Giant TCX
  • Giant Revolt

Typical Giant Gravel & Cyclocross Bike Size Chart

Please see the individual size chart on product page for model specific sizing.

Size

Height (cm)

Height (inches)

XS

160 - 165

5’3” – 5’5”

S

165 - 175

5’5” – 5’9”

M

172 - 183

5’8” – 6’0”

M/L

180 - 188

5’11” – 6’2”

L

185 - 193

6’1” – 6’4”

XL

193 - 196

6’4” – 6’5”

 

 



Giant Mountain Bike Sizes

Giant Road Bike Sizes

Giant Anthem, Trance, Reign, Stance, Fathom, Talon & XTC sizes

Intended Use: For mountain bike riding and racing on off-road tracks and terrain which ranges from mild to aggressive. Severity of intended terrain varies with specific models

  • Giant Anthem
  • Giant Trance
  • Giant Stance
  • Giant Reign
  • Giant Fathom
  • Giant Talon
  • Giant XTC

Typical Giant Mountain Bike Size Chart

Please see the individual size chart on product page for model specific sizing.

Size

Height (cm)

Height (inches)

XS

152 - 160

5’0” – 5’3”

S

160 - 172

5’3” – 5’8”

M

170 – 183

5’7” – 6’0”

L

183 – 193

6’0” – 6’4”

XL

193 - 196

6’4” – 6’5”

 

 



Giant Hybrid Bike Sizes

Giant Hybrid Bike Sizes

Giant Escape, Cypress & Roam sizes

Intended Use: For paved roads, gravel and dirt roads that are in good condition and bike paths

Hybrid bikes with a suspension fork are designed to smooth out rough road surfaces to give you a more comfortable ride.

  • Giant Escape
  • Giant Roam
  • Giant Toughroad

Typical Giant Hybrid Bike Size Chart

Please see the individual size chart on product page for model specific sizing.

Size

Height (cm)

Height (inches)

XS

152 - 160

5’0” – 5’3”

S

160 - 172

5’3” – 5’8”

M

170 – 183

5’7” – 6’0”

L

183 – 193

6’0” – 6’4”

XL

193 - 196

6’4” – 6’5”

 

 



Giant e Bike Sizes

Giant E Bike Sizes

Giant Fathom E, Trance E & Stance E sizes

Intended Use: For mountain bike riding and racing on off-road tracks and terrain which ranges from mild to aggressive. Severity of intended terrain varies with specific models

  • Giant Fathom E-bikes
  • Giant Trance E-bikes
  • Giant Stance E-bikes

Typical Giant Electric Mountain Bike Size Chart

Please see the individual size chart on product page for model specific sizing.

Size

Height (cm)

Height (inches)

S

160 - 170

5’3” – 5’7”

M

170 – 183

5’7” – 6’0”

L

183 - 193

6’0” – 6’4”

XL

193 - 196

6’4” – 6’5”

 

 

Giant Road E & Fastroad E sizes

Intended Use: To be ridden on tarmac and hard pack surfaces. These bikes have fast skinny tyres and race geometry to make the most out of road surfaces. They are not intended to be ridden on very rough surfaces.

  • Giant Road E-bikes
  • Giant Fastroad E-bikes

Typical Giant Electric Road Bike Size Chart

Please see the individual size chart on product page for model specific sizing.

Size

Height (cm)

Height (inches)

S

160 - 170

5’3” – 5’7”

M

170 – 183

5’7” – 6’0”

L

183 - 193

6’0” – 6’4”

 

 


Giant Roam E, Explore E, Ease E, Entour E & Anytour E sizes

Intended Use: For paved roads, gravel and dirt roads that are in good condition and bike paths

Hybrid bikes with a suspension fork are designed to smooth out rough road surfaces to give you a more comfortable ride.

  • Giant Roam E-bikes
  • Giant Explore E-bikes
  • Giant Ease E-bikes
  • Giant Entour E-bikes
  • Giant Anytour E-bikes

Typical Giant Electric Urban Bike Size Chart

Please see the individual size chart on product page for model specific sizing.

Size

Height (cm)

Height (inches)

XS

152 - 160

5’0” – 5’3”

S

160 - 170

5’3” – 5’7”

M

170 – 183

5’7” – 6’0”

L

183 - 193

6’0” – 6’4”

XL

193 - 196

6’4” – 6’5”

 

 



Giant Clothing

Giant Road Bike Sizes

Giant Clothing Sizes

As well as different sizes, Giant clothing is offered in three distinct fits for different types of cycling:

Showing the Giant Race Fit in terms of clothing

Race fit

A figure hugging fit for maximum aero performance

Shows the Giant Club Fit in terms of clothing

Club fit

A close fit that balances efficiency and on-the-bike comfort

Shows Giants Relaxed fit in terms of clothing

Relaxed fit

Looser fit for cycling performance with a more casual look

Giant Tops and Bottoms Sizes

Shop Giant Jerseys  |  Shop Giant Jackets  |  Shop Giant Base Layers  |  Shop Giant Shorts  |  Shop Giant Tights

Giant jerseys, jackets, baselayers, shorts and tights size table

Size

Chest

Waist

Hips

Inseam

XS

86.5cm – 91cm

71cm – 76cm

86.5cm – 91cm

79cm – 80cm

34” – 36”

28” – 30”

34” – 36”

31” – 31.5”

S

91cm – 97cm

76cm – 81cm

91cm – 97cm

80cm – 81cm

36” – 38”

30” – 32”

36” – 38”

31.5” – 32”

M

97cm – 102cm

81cm – 86.5cm

97cm – 102cm

81cm – 82.5cm

38” – 40”

32” – 34”

38” – 40”

32” – 32.5”

L

102cm – 107cm

86.5cm – 91cm

102cm – 107cm

82.5cm – 84cm

40” – 42”

35.5” – 37.5”

40” – 42”

32.5” – 33”

XL

107cm – 114cm

91cm – 99cm

107cm – 114cm

84cm – 85cm

42” – 45”

36” – 39”

42” – 45”

33” – 33.5”

XXL

114cm – 122cm

99cm – 107cm

114cm – 122cm

85cm – 86.5

45” – 48”

39” – 42”

45” – 48”

33.5” – 34”

 

 

Giant Socks and Overshoes Sizing

Shop Giant Socks  |  Shop Giant Shoes

Giant Socks and Shoes size table

Socks and Overshoes

Size

Fits Shoe Size

Men’s Socks

Small

3 - 5.5

Medium

6 – 8

Large

8.5 – 11.5

Men’s Overshoes

Small

5.5 – 7

Medium

7.5 – 8.5

Large

9 – 11.5

 

 

Giant Gloves Sizing

Shop Giant Gloves

Giant gloves sizing table

Glove Size

S

M

L

XL

XXL

Palm Width

 

17cm – 19.5cm

19.5cm – 21.5cm

21.5cm – 24cm

24cm – 26cm

26cm – 28cm

6.5” – 7.5”

7.5” – 8.25”

8.25” – 9”

9” – 10”

10” – 11”

Length

 

16.5cm – 18cm

18cm – 19cm

19cm – 20.5cm

20.5cm – 21.5cm

21cm – 23cm

6.3” – 7”

7” – 7.5”

7.5” – 8”

8” – 8.4”

8.4” – 8.8cm

 

 

Frequently Asked Questions

How do you measure a Giant bike frame?

Giant road bikes feature a Compact Road design in S, M, L sizes. This means that Giant road bikes can’t be sized by measuring the seat tube length like other road bikes. The way to measure a Giant frame is to consult the relevant geometry chart for each specific model and compare the various measurements.

What size is a Giant Small frame?

A small or S size Giant frame is equivalent to a 51cm road bike frame or a 16” mountain bike frame from another cycling brand.

What size is a Giant Medium frame?

A Giant Medium frame is equivalent to a 54cm road bike frame or an 18” mountain bike from another brand.

What size is a Giant Medium/Large frame?

A Giant Medium/Large or M/L frame is equivalent to a 56cm road bike frame from another cycling manufacturer.

What size is a Giant Large frame?

A Large Giant frame is equivalent to a 58cm road bike or a 19” mountain bike frame from another bike brand.