Bike Sizing Guide By Brand

Find your perfect frame size for each of our brands with our Bike Size Guide below. Still not sure? We’re happy to help – just get in touch!

Brompton Size Guide

Good news: Bromptons usually come in only one size.

The extra long seatpost means a Brompton should fit anyone from 4’ 10” (148cm) to 6’ 4” (193cm).

If your inside leg measurement is longer than 35” (89cm) we suggest the seat pillar extension, which Brompton make for riders with an inside leg up to 39” (99cm). Taller riders might also like to consider Brompton’s highest H-style handlebar.

Shop all Brompton Bikes

Frog Bikes Size Guide

Frog Bike Name Minimum inside leg Approx age Wheel size
Tadpole 32cm (12″) 2-3 12″
Tadpole Plus 38cm (15″) 3-4 14″
Frog 43 43cm (17″) 3-4 14″
Frog 48 48cm (19″) 4-5 16″
Frog 52 52cm (20″) 5-6 20″
Frog 55 55cm (22″) 6-7 20″
Frog 62 62cm (24″) 8-10 24″
Frog 69 69cm (27″) 10-12 26″
Frog 73 73cm (29″) 12-14 26″
Frog Road/Track 58 58cm (23″) 6-7 20″
Frog Road/Track 67 67cm (26″) 8-12 24″
Frog Road/Track 70 70cm (27″) 11-14 26″

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Genesis Bike Size Guide

Genesis CDA / Genesis Vapour

Rider Standover Height Bike Size
Inches Cm
29.5″ 749mm Extra Small
30.5″ 772mm Small
31.2″ 794mm Medium
32″ 816mm Large
33.5″ 850mm Extra Large

 

Genesis Croix de Fer | Shop All Croix de Fers

Rider Standover Height Bike Size
Inches mm
30″ 761mm Extra Small
31″ 784mm Small
32″ 808mm Medium
32.5″ 826mm Large
33.5″ 850mm Extra Large

Genesis Tour de Fer – Shop All Tour de Fers

Rider Standover Height Bike Size
Inches mm
30″ 758mm Extra Small
30.8″ 778mm Small
31.5″ 799mm Medium
32.7″ 807mm Large
33.2″ 843mm Extra Large

Shop All  Genesis Bikes

Giant Bikes Size Guide

Last updated 6th May 2019

Welcome to our Giant bike size guide. Most Giant bike models vary slightly in size, with a different minimum standover height (distance from the top tube of the frame to the ground, with around two inches of clearance between the top tube and your crotch when standing in-front of the saddle). If you’re in-between sizes, or unsure please just get in touch – we’re happy to help. You can also ‘try before you buy’ with our 1-2 day demos, or just pop into one of our stores for a quick test ride free of charge.

Giant Road Bikes

Conventional Size (Equiv) Sizing Rider Height Rider Height (cm)
49-51cm XS 5′ 2″ – 5′ 4″ 157 – 163
51-54cm S 5′ 4″ – 5′ 7″ 163 – 170
55-57cm M 5′ 7″ – 5’10” 170 – 178
57-59cm M/L 5′ 10″ – 6′ 0″ 178 – 183
58-60cm L 6′ 0″ – 6′ 3″ 183 – 191
61-63cm XL 6′ 3″ – 6′ 6″ 191 – 198

Shop All Giant Road Bikes

Giant Mountain Bikes

Giant Fathom

Standover Height (minimum)
 Bike Size
691mm / 27.2″ Small
731mm / 28.8″ Medium
745mm / 29.3″ Large
784mm / 30.9″ X-Large

Giant Stance

Standover Height (minimum)
 Bike Size
703mm / 27.7″ Small
727mm / 28.6″ Medium
761mm / 30″ Large
774mm / 30.5″ X-Large

Giant Talon

Standover Height (minimum)
 Bike Size
714mm / 28.1″ Small
749mm / 29.5″ Medium
788mm / 31″ Large
823mm / 32.4″ X-Large

Giant Trance

Standover Height (minimum)
 Bike Size
701mm / 27.6″ Small
723mm / 28.5″ Medium
768mm / 30.2″ Large

Shop All Giant Mountain Bikes

Giant Cross / Gravel Bikes

Giant Revolt

Standover Height (minimum)
 Bike Size
734mm / 28.9″ Small
752mm / 29.6″ Medium
768mm / 30.2″ Medium/
Large
786mm / 30.9″ Large

Giant Toughroad

Standover Height (minimum)
 Bike Size
724mm / 28.5″ Small
754mm / 29.7″ Medium
795mm / 31.3″ Large

Shop All Giant Cross / Gravel Bikes

Giant Hybrid Bikes

Giant Escape

Standover Height (minimum)
 Bike Size
682mm / 26.9″ X- Small
713mm / 28.1″ Small
755mm / 29.7″ Medium
796mm / 31.3″ Large
838mm / 33″ X-Large

Giant Electric Bikes

Giant Fathom E+

Standover Height (minimum)
 Bike Size
753mm / 29.6″ Small
760mm / 29.9″ Medium
787mm / 31″ Large
791mm / 31.1″ X-Large

Giant Trance E+

Standover Height (minimum)
 Bike Size
739mm / 29.1″ Small
740mm / 29.2″ Medium
772mm / 30.4″ Large

Giant Stance E+

Standover Height (minimum)
 Bike Size
731mm / 28.8″ Small
746mm / 29.4″ Medium
778mm / 30.6″ Large
781mm / 31.7″ X-Large

Shop All Giant Electric Bikes

Kalkhoff Size Guide

Welcome to our guide to Kalkhoff frame sizes. Kalkhoff do provide a specific bike size guide on their site in relation to rider height. They suggest trying one out to make sure the frame is just right.

However, the Kalkhoff size guide below will give you a good enough idea in terms of suitability.

Rider Height Bike Size
Feet Cm
5’1″ – 5’5″ 155 – 166cm Small
5’4″ – 6’1″ 164 – 186cm Medium
6’0″ – 6’3″ 184 – 191cm Large
6’2″ – 6’5″ 189 – 196cm Extra Large

Shop all Kalkhoff Bikes

Liv Bikes Size Guide

Road Bikes

Conventional Size (Equiv) Compact Sizing Rider Height Rider Height (cm)
47cm 2XS 5′ 0″ – 5′ 2″ 152 – 157
49-51cm XS 5′ 2″ – 5′ 4″ 157 – 163
51-54cm S 5′ 4″ – 5’6″ 163 – 168
55-57cm M 5′ 6″ – 5′ 8″ 168 – 173
57-59cm L 5′ 7″ – 5′ 10″ 170 – 178

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Merida Size Guide

Merida One-Sixty

Rider Height Bike Size 
Feet Cm
5’0″ – 5’4″ 152 – 163cm Small (16 inch)
5’4″ – 5’10” 163 – 178cm Medium (17 inch)
5’10” – 6’4″ 178 – 193cm Large (18.5 inch)

Pashley Bikes Size Guide

Pashley-Morgan

Frame Rider Inside Leg
 S  28″ – 34″
 M  30″ – 36″
 L  32″ – 38″

Pashley Poppy/Princess Sovereign

Frame Rider Inside Leg
 17.5″ 27.5″ – 31.5″
 20″ 30″ – 34″
22″ 32″ – 36″

Shop Pashley Bikes

Ridgeback Size Guide

Ridgeback Kids Bikes

Model Rider Age (rough guide)
 Wheel Size
 Rider Height (cm)
 Rider Height (ft)
Dimension Runner or Scoot  2-3 years 12″ 2′ 3″ – 2′ 6″ 70 – 80
Honey 14, MX14  3-4 years 14″ 2′ 6″ – 3′ 6″ 80 – 110
Dimension 16, Melody 16, MX16  4-7 years 16″ 3′ 6″ – 4’0” 110 – 120
Dimension 20, Harmony 20, MX20  5-10 years 20″ 4′ 0″ – 4′ 7″ 120 – 135
Dimension 24, Destiny 24, MX24  8-14 years 24″ 4′ 7″ – 4′ 9″ 135 – 145
Dimension 26  10-16 years 26″ 4′ 9″ – 5′ 0″ 145 – 150

Shop Ridgeback Kids Bikes

Specialized Bike Size Guide

Specialized Commuter/Hybrid Bikes

Specialized Crosstrail/Sirrus

Rider Height Bike Size
Feet Cm
5’0″ – 5’2″ 152 – 158cm Extra Small
5’2″ – 5’5″ 158 – 165cm Small
5’5″ – 5’9″ 165 – 175cm Medium
5’9″ – 6’0″ 175 – 183cm Large
6’0″ – 6’4″ 183 – 193cm Extra Large

Specialized Commuter/Hybrid Bikes – Women’s

Rider Height Bike Size
Feet Cm
4’8″ – 5’0″ 143 – 152cm Extra Small
5’0″ – 5’3″ 152 – 160cm Small
5’3″ – 5’6″ 160 – 168cm Medium
5’6″ – 5’9″ 168 – 175cm Large
5’9″ – 5’11” 175 – 180cm Extra Large

Shop Specialized Commuter/Hybrid Bikes

Specialized Electric Commuter/Hybrid Bikes

Specialized Turbo Vado Unisex

Rider Height Bike Size
Feet Cm
5’2″ – 5’5″ 158 – 165cm Small
5’5″ – 5’9″ 165 – 175cm Medium
5’9″ – 6’0″ 175 – 183cm Large
6’0″ – 6’4″ 183 – 193cm Extra Large

Specialized Turbo Vado Women’s

Rider Height Bike Size
Feet Cm
5’0″ – 5’3″ 152 – 160cm Small
5’3″ – 5’6″ 160 – 168cm Medium
5’6″ – 5’9″ 168 – 175cm Large

Shop Specialized Electric Bikes

 

Specialized Electric Mountain Bikes

Specialized Turbo Levo FSR / Levo HT Unisex

Rider Height Bike Size
Feet Cm
5’2″ – 5’6″ 158 – 168cm Small
5’6″ – 5’10” 168 – 178cm Medium
5’10” – 6’1″ 178 – 185cm Large
6’1″ – 6’4″ 185 – 193cm Extra Large

Specialized Turbo Levo Women’s Full Suspension

Rider Height Bike Size
Feet Cm
5’2″ – 5’6″ 158 – 168cm Small
5’6″ – 5’10” 168 – 178cm Medium
5’10” – 6’1″ 178 – 185cm Large

Specialized Turbo Levo Women’s Hardtail

Rider Height Bike Size
Feet Cm
5’0″ – 5’3″ 152 – 160cm Small
5’3″ – 5’7″ 160 – 170cm Medium
5’7″ – 6’0″ 170 – 183cm Large

Shop Specialized Electric Bikes

 

Specialized Mountain Bikes

Specialized Enduro

Rider Height Bike Size
Feet Cm
5’2″ – 5’6″ 158 – 168cm Small
5’6″ – 5’10” 168 – 178cm Medium
5’10” – 6’1″ 178 – 185cm Large
6’1″ – 6’4″ 185 – 193cm Extra Large
6’4″ – 6’6″ 193 – 198cm Extra Extra Large

Specialized Pitch

Rider Height Bike Size
Feet Cm
5’0″ – 5’3″ 152 – 160cm Extra Small
5’3″ – 5’7″ 160 – 170cm Small
5’7″ – 5’10” 170 – 178cm Medium
5’10” – 6’2″ 178 – 188cm Large
6’2″ – 6’5″ 188 – 196cm Extra Large
6’5″ – 6’9″ 196 – 205cm Extra Extra Large

Specialized Women’s Mountain Bikes

Specialized Jynx 650B

Rider Height Bike Size
Feet Cm
4’8″ – 5’0″ 143 – 152cm Extra Small
5’0″ – 5’4″ 152 – 163cm Small
5’4″ – 5’8″ 163 – 173cm Medium
5’8″ – 6’0″ 173 – 183cm Large

Shop Specialized Mountain Bikes

 

Specialized Road Bikes – Men’s

Specialized Allez/Diverge/Roubaix/Sequoia/Tarmac

Rider Height Bike Size
Feet Cm
5’0″ – 5’4″ 152 – 163cm 49cm
5’2″ – 5’4″ 158 – 163cm 50cm
5’4″ – 5’7″ 163 – 170cm 52cm
5’7″ – 5’9″ 170 – 175cm 54cm
5’9″ – 5’11” 175 – 180cm 56cm
5’11” – 6’2″ 180 – 188cm 58cm
6’2″ – 6’5″ 188 – 196cm 61cm
6’5″ – 6’7″ 196 – 205cm 64cm

Shop Specialized Road Bikes

 

Specialized Road Bikes – Women’s

Specialized Alias/Amira/Ruby/Dolce/Dolce Evo

Rider Height Bike Size
Feet Cm
4’8″ – 5’0″ 143 – 152cm 44cm
5’0″ – 5’3″ 152 – 160cm 48cm
5’3″ – 5’6″ 160 – 168cm 51cm
5’6″ – 5’8″ 168 – 173cm 54cm
5’8″ – 5’10” 173 – 178cm 56/57cm
5’9″ – 6’1″ 175 – 185cm 58cm

Specialized Kids Bikes

Bike Size Rider Height Rider Age
Wheel Cm Feet
20″ wheel 105 – 119cm 3’6″ – 3’11” 6-9 years
24″ wheel 120 – 142cm 3’11” – 4’8″ 9-12 years

 

Shop All Specialized Bikes

Whyte Bikes Size Guide

Last updated 8 May 2019

We hope you find out Whyte bike sizing guide useful. Whyte choose to use rider height as the base for their bike sizes but if you’re unsure which size is best for you, please just get in touch. You can also pop into one of our stores for advice on which bike might fit you best and then take a bike out for quick test ride free of charge. If you want to try out a bike for longer, book a 1-2 day demos.

Whyte Commuter/Hybrid Bikes

Whyte RDC7 Series: Wessex:

Bike Size Rider Height
Frame Cm Feet
50 160 – 168cm 5’3″ – 5’6″
52 168 – 175cm 5’6″ – 5’9″
54 175 – 183cm 5’9″ – 6’0″
56 183 – 190cm 6’0″ – 6’3″
58 190 – 198cm 6’3″ – 6’6″

Whyte GX Series: Caledonian / Ridgeway:

Bike Size Rider Height
Frame Cm Feet
Small 168 – 175cm 5’6″ – 5’9″
Medium 175 – 183cm 5’9″ – 6’0″
Large 183 – 191cm 6’0″ – 6’3″
Extra Large 191 – 199cm 6’3″ – 6’6″

Whyte GX Series: Caledonian Women / Ridgeway Women:

Bike Size Rider Height
Frame Cm Feet
Small 160 – 168cm 5’3″ – 5’6″
Medium 168 – 175cm 5’6″ – 5’9″
Large 175 – 183cm 5’9″ – 6’0″

Whyte R7 Series: Portobello / Shoreditch / Stirling / Whitechapel:

Bike Size Rider Height
Frame Cm Feet
Small 155 – 165cm 5’1″ – 5’5″
Medium 165 – 175cm 5’5″ – 5’9″
Large 175 – 185cm 5’9″ – 6’1″
Extra Large 185 – 197cm 6’1″ – 6’5″

Whyte R7 Series Compact: Carnaby / Pimlico / Victoria:

Bike Size Rider Height
Frame Cm Feet
Small 152 – 163cm 5’0″ – 5’4″
Medium 163 – 173cm 5’4″ – 5’8″
Large 173 – 183cm 5’8″ – 6’0″

Whyte Classic Leisure: Strawberry Hill:

Bike Size Rider Height
Frame Cm Feet
Small 160 – 168cm 5’3″ – 5’6″
Medium 168 – 175cm 5’6″ – 5’9″
Large 175 – 183cm 5’9″ – 6’0″

Shop Whyte Commuter/Hybrid Bikes

Whyte Electric Commuter/Hybrid Bikes

Whyte Clifton:

Bike Size Rider Height
Frame Cm Feet
Medium 175 – 183cm 5’9″ – 6’0″
Large 183 – 191cm 6’0″ – 6’3″
Extra Large 191 – 198cm 6’3″ – 6’6″

Whyte Coniston:

Bike Size Rider Height
Frame Cm Feet
Small 168 – 175cm 5’6″ – 5’9″
Medium 175 – 183cm 5’9″ – 6’0″
Large 183 – 191cm 6’0″ – 6’3″

Whyte Coniston Women:

Bike Size Rider Height
Frame Cm Feet
Small 160 – 168cm 5’3″ – 5’6″
Medium 168 – 175cm 5’6″ – 5’9″
Large 175 – 183cm 5’9″ – 6’0″

Whyte Highgate Compact:

Bike Size Rider Height
Frame Cm Feet
Small 157 – 165cm 5’2″ – 5’5″
Medium 165 – 173cm 5’6″ – 5’8″
Large 173 – 180cm 5’8″ – 5’11”

Shop Whyte Electric Bikes

Whyte Mountain Bikes – Full Suspension

Whyte G-170 series:

Bike Size Rider Height
Frame Cm Feet
Small 160 – 169cm 5’3″ – 5’7″
Medium 169 – 179cm 5’7″ – 5’11”
Large 179 – 189cm 5’11” – 6’3″
Extra Large 189 – 197cm 6’3″ – 6’6″

Whyte S-150 & S-120 series:

Bike Size Rider Height
Frame Cm Feet
Medium 168 – 178cm 5’6″ – 5’10″xx
Small 158 – 168cm 5’2″ – 5’6″
Medium 168 – 178cm 5’6″ – 5’10″xx
Large 178 – 188cm 5’10” – 6’2″
Extra Large 188 – 198cm 6’2″ – 6’5″

Whyte T-130 series:

Bike Size Rider Height
Frame Cm Feet
Extra Small 145 – 160cm 4’7″ – 5’3″
Small 160 – 168cm 5’3″ – 5’6″
Medium 168 – 178cm 5’6″ – 5’10”
Large 178 – 188cm 5’10” – 6’2″
Extra Large 188 – 198cm 6’2″ – 6’6″

Shop Whyte Full Suspension mountain bikes

Whyte Mountain Bikes – Hardtail

Whyte 801 & 805:

Bike Size Rider Height
Frame Cm Feet
Small 157 – 168cm 5’2″ – 5’6″
Medium 168 – 178cm 5’6″ – 5’10”
Large 178 – 188cm 5’10” – 6’2″
Extra Large 188 – 196cm 6’2″ – 6’5″

Whyte 901, 905 & 909:

Bike Size Rider Height
Frame Cm Feet
Extra Small 148 – 157cm 4’2″ – 5’2″
Small 157 – 168cm 5’2″ – 5’6″
Medium 168 – 178cm 5’6″ – 5’10”
Large 178 – 188cm 5’10” – 6’2″
Extra Large 188 – 198cm 6’2″ – 6’5″

Whyte 403 / 405 Kids:

Bike Size Rider Height
Frame Cm Feet
One Size 135 – 152cm 4’5″ – 5’0″

Whyte 203 Kids:

Bike Size Rider Height
Frame Cm Feet
One Size 110 – 125cm 3’7″ – 4’1″

Whyte 529 / 629:

Bike Size Rider Height
Frame Cm Feet
Small 157 – 168cm 5’2″ – 5’6″
Medium 168 – 178cm 5’6″ – 5’10”
Large 178 – 188cm 5’10” – 6’2″
Extra Large 188 – 198cm 6’2″ – 6’5″

Whyte 603 / 605:

Bike Size Rider Height
Frame Cm Feet
Small 157 – 168cm 5’2″ – 5’6″
Medium 168 – 178cm 5’6″ – 5’10”
Large 178 – 188cm 5’10” – 6’2″
Extra Large 183 – 196cm 6’2″ – 6’5″

Whyte 604 Compact:

Bike Size Rider Height
Frame Cm Feet
Extra Small 145 – 155cm 4’9″ – 5’1″
Small 155 – 165cm 5’1″ – 5’5″
Medium 165 – 175cm 5’5″ – 5’9″

Whyte 802 / 806 Compact:

Bike Size Rider Height
Frame Cm Feet
Extra Small 145 – 155cm 4’9″ – 5’1″
Small 155 – 165cm 5’1″ – 5’5″
Medium 165 – 175cm 5’5″ – 5’9″

Shop Whyte mountain bikes

Whyte Road Bikes / Whyte Cross Bikes

Whyte Wessex:

Bike Size Rider Height
Frame Cm Feet
50cm 160 – 168cm 5’3″ – 5’6″
52cm 168 – 175cm 5’6″ – 5’9″
54cm 175 – 183cm 5’9″ – 6’0″
56cm 183 – 190cm 6’0″ – 6’3″
58cm 190 – 198cm 6’3″ – 6’6″

Whyte Devon:

Bike Size Rider Height
Frame Cm Feet
47cm 146 – 154cm 4’10” – 5’1″
49cm 154 – 161cm 5’1″ – 5’4″
51cm 161 – 169cm 5’4″ – 5’7″
53cm 169 – 177cm 5’7″ – 5’10”

Whyte Dorset:

Bike Size Rider Height
Frame Cm Feet
52cm 165 – 172cm 5’5″ – 5’8″
54cm 172 – 180cm 5’8″ – 5’11”
56cm 180 – 188cm 5’11” – 6’2″
58cm 188 – 195cm 6’2″ -6’5″

Whyte Friston / Gisburn:

Bike Size Rider Height
Frame Cm Feet
50cm 157 – 165cm 5’2″ – 5’5″
52cm 165 – 172cm 5’5″ – 5’8″
54cm 172 – 180cm 5’8″ – 5’11”
56cm 180 – 187cm 5’11” – 6’2″
58cm 187 – 195cm 6’2″ – 6’5″

Whyte Glencoe:

Bike Size Rider Height
Frame Cm Feet
50cm 157 – 165cm 5’2″ – 5’5″
52cm 165 – 172cm 5’5″ – 5’8″
54cm 172 – 180cm 5’8″ – 5’11”
56cm 180 – 187cm 5’11” – 6’2″
58cm 187 – 195cm 6’2″ – 6’5″

Shop Whyte Road/Cross Bikes