What sizes does Trek offer?

Trek offers comprehensive sizing across road bike, mountain bike, hybrid bike, gravel bike, e-bike bikes. Each category has its own size chart based on the specific geometry and riding style. Use our size charts above to find your perfect Trek frame size based on your height and inseam measurements.

What if I'm between two Trek sizes?

If you're between sizes, consider your riding style and flexibility. For a more aggressive, aerodynamic position, choose the smaller size. For comfort and a more upright position, go with the larger size. Our bike size calculators can help you determine the best fit.

Are Trek bikes true to size?

Trek bikes are generally true to their published size charts. However, geometry varies between models - endurance bikes have taller stacks for comfort, while race bikes are more aggressive. Always check the specific model's geometry chart for the most accurate fit.

Where can I test ride Trek bikes?

Visit authorized Trek dealers to test ride bikes in person. You can find dealers through the official Trek website. Test riding is the best way to confirm your size before purchasing.

Trek Bike Size Chart

Official sizing guide for 2026

United StatesFounded 1976Official Website

Trek uses a combination of traditional frame sizing with their Alpha Fit system, focusing on stack and reach measurements to help riders find the optimal position. They offer a wide range of frame sizes and geometries to accommodate different body types and riding styles.

Trek Size Charts by Category

Trek Road Bike Size Chart

Size	Height Range	Inseam Range
47	4'12" - 5'3"(152 - 160 cm)	27.2" - 28.7"(69 - 73 cm)
50	5'2" - 5'5"(158 - 165 cm)	28.3" - 29.9"(72 - 76 cm)
52	5'4" - 5'7"(163 - 170 cm)	29.5" - 31.1"(75 - 79 cm)
54	5'6" - 5'9"(168 - 175 cm)	30.7" - 32.3"(78 - 82 cm)
56	5'8" - 5'11"(173 - 180 cm)	31.9" - 33.5"(81 - 85 cm)
58	5'10" - 6'1"(178 - 185 cm)	33.1" - 34.6"(84 - 88 cm)
60	6'0" - 6'3"(183 - 191 cm)	34.3" - 36.2"(87 - 92 cm)
62	6'2" - 6'6"(188 - 198 cm)	35.4" - 37.4"(90 - 95 cm)

Height: 4'12" – 5'3" (152–160 cm)

Inseam: 27.2" – 28.7" (69–73 cm)

Height: 5'2" – 5'5" (158–165 cm)

Inseam: 28.3" – 29.9" (72–76 cm)

Height: 5'4" – 5'7" (163–170 cm)

Inseam: 29.5" – 31.1" (75–79 cm)

Height: 5'6" – 5'9" (168–175 cm)

Inseam: 30.7" – 32.3" (78–82 cm)

Height: 5'8" – 5'11" (173–180 cm)

Inseam: 31.9" – 33.5" (81–85 cm)

Height: 5'10" – 6'1" (178–185 cm)

Inseam: 33.1" – 34.6" (84–88 cm)

Height: 6'0" – 6'3" (183–191 cm)

Inseam: 34.3" – 36.2" (87–92 cm)

Height: 6'2" – 6'6" (188–198 cm)

Inseam: 35.4" – 37.4" (90–95 cm)

Trek Mountain Bike Size Chart

Size	Height Range	Inseam Range
XS	4'10" - 5'1"(147 - 155 cm)	26.0" - 28.0"(66 - 71 cm)
S	5'0" - 5'5"(153 - 165 cm)	27.2" - 29.9"(69 - 76 cm)
M	5'4" - 5'9"(163 - 175 cm)	29.5" - 31.9"(75 - 81 cm)
M/L	5'8" - 6'0"(173 - 183 cm)	31.1" - 33.1"(79 - 84 cm)
L	5'10" - 6'2"(178 - 188 cm)	32.3" - 34.3"(82 - 87 cm)
XL	6'1" - 6'5"(185 - 196 cm)	33.9" - 36.2"(86 - 92 cm)

Height: 4'10" – 5'1" (147–155 cm)

Inseam: 26.0" – 28.0" (66–71 cm)

Height: 5'0" – 5'5" (153–165 cm)

Inseam: 27.2" – 29.9" (69–76 cm)

Height: 5'4" – 5'9" (163–175 cm)

Inseam: 29.5" – 31.9" (75–81 cm)

M/L

Height: 5'8" – 6'0" (173–183 cm)

Inseam: 31.1" – 33.1" (79–84 cm)

Height: 5'10" – 6'2" (178–188 cm)

Inseam: 32.3" – 34.3" (82–87 cm)

Height: 6'1" – 6'5" (185–196 cm)

Inseam: 33.9" – 36.2" (86–92 cm)

Trek Hybrid Bike Size Chart

Size	Height Range	Inseam Range
XS	4'10" - 5'1"(147 - 155 cm)	26.0" - 28.0"(66 - 71 cm)
S	5'0" - 5'5"(153 - 165 cm)	27.2" - 29.9"(69 - 76 cm)
M	5'4" - 5'9"(163 - 175 cm)	29.5" - 31.9"(75 - 81 cm)
L	5'8" - 6'1"(173 - 185 cm)	31.1" - 33.9"(79 - 86 cm)
XL	6'0" - 6'5"(183 - 196 cm)	33.5" - 36.2"(85 - 92 cm)

Height: 4'10" – 5'1" (147–155 cm)

Inseam: 26.0" – 28.0" (66–71 cm)

Height: 5'0" – 5'5" (153–165 cm)

Inseam: 27.2" – 29.9" (69–76 cm)

Height: 5'4" – 5'9" (163–175 cm)

Inseam: 29.5" – 31.9" (75–81 cm)

Height: 5'8" – 6'1" (173–185 cm)

Inseam: 31.1" – 33.9" (79–86 cm)

Height: 6'0" – 6'5" (183–196 cm)

Inseam: 33.5" – 36.2" (85–92 cm)

Trek Gravel Bike Size Chart

Size	Height Range	Inseam Range
49	5'1" - 5'4"(155 - 163 cm)	28.0" - 29.5"(71 - 75 cm)
52	5'3" - 5'6"(160 - 168 cm)	29.1" - 30.7"(74 - 78 cm)
54	5'5" - 5'8"(165 - 173 cm)	30.3" - 31.9"(77 - 81 cm)
56	5'7" - 5'11"(170 - 180 cm)	31.5" - 33.1"(80 - 84 cm)
58	5'10" - 6'1"(178 - 186 cm)	32.7" - 34.3"(83 - 87 cm)
61	6'0" - 6'5"(183 - 196 cm)	33.9" - 36.2"(86 - 92 cm)

Height: 5'1" – 5'4" (155–163 cm)

Inseam: 28.0" – 29.5" (71–75 cm)

Height: 5'3" – 5'6" (160–168 cm)

Inseam: 29.1" – 30.7" (74–78 cm)

Height: 5'5" – 5'8" (165–173 cm)

Inseam: 30.3" – 31.9" (77–81 cm)

Height: 5'7" – 5'11" (170–180 cm)

Inseam: 31.5" – 33.1" (80–84 cm)

Height: 5'10" – 6'1" (178–186 cm)

Inseam: 32.7" – 34.3" (83–87 cm)

Height: 6'0" – 6'5" (183–196 cm)

Inseam: 33.9" – 36.2" (86–92 cm)

Trek E-Bike Size Chart

Size	Height Range	Inseam Range
S	5'1" - 5'6"(155 - 167 cm)	28.0" - 30.3"(71 - 77 cm)
M	5'5" - 5'10"(165 - 177 cm)	29.9" - 32.3"(76 - 82 cm)
L	5'9" - 6'2"(175 - 188 cm)	31.9" - 34.3"(81 - 87 cm)
XL	6'1" - 6'6"(186 - 198 cm)	33.9" - 36.6"(86 - 93 cm)

Height: 5'1" – 5'6" (155–167 cm)

Inseam: 28.0" – 30.3" (71–77 cm)

Height: 5'5" – 5'10" (165–177 cm)

Inseam: 29.9" – 32.3" (76–82 cm)

Height: 5'9" – 6'2" (175–188 cm)

Inseam: 31.9" – 34.3" (81–87 cm)

Height: 6'1" – 6'6" (186–198 cm)

Inseam: 33.9" – 36.6" (86–93 cm)

Popular Trek Models & Sizing Notes

Specific sizing recommendations for Trek's most popular bike models. Geometry measurements shown for reference size (typically M or 54cm).

Domane SL 5

🚴 Road Bike • 2024

$3,500 - $4,500

Endurance geometry with taller stack height. Riders seeking comfort may prefer sizing up if between sizes.

Stack: 571mmReach: 380mm

Émonda SL 6

🚴 Road Bike • 2024

$4,000 - $5,000

Lightweight climbing bike with more aggressive fit. Consider sizing down for a racier position.

Stack: 545mmReach: 385mm

Fuel EX 8

🚵 Mountain Bike • 2024

$4,500 - $5,500

Trail bike with 140mm travel. Modern long-low-slack geometry means many riders size down from previous Trek MTBs.

Stack: 618mmReach: 460mm

Checkpoint SL 5

🏔️ Gravel Bike • 2024

$3,500 - $4,500

Versatile gravel bike with stable geometry. IsoSpeed decoupler adds comfort without affecting fit.

Stack: 584mmReach: 378mm

FX 3 Disc

🚲 Hybrid Bike • 2024

$900 - $1,200

Flat-bar fitness bike with upright position. Most riders fit true to size based on height charts.

Stack: 605mmReach: 395mm

Domane+ SL

⚡ E-Bike • 2025

$5,500 - $12,000

Lightweight e-road bike with TQ HPR50 motor and integrated 360Wh battery. Endurance geometry mirrors the acoustic Domane closely—riders familiar with their Domane size should choose the same frame size in the Domane+ SL.

Stack: 576mmReach: 382mm

Rail 9.7

⚡ E-Bike • 2025

$6,500 - $9,000

Full-suspension e-MTB with Bosch Performance CX motor and 750Wh battery. Long-reach modern geometry with 150mm travel—riders between sizes should consider the smaller frame for more agile trail handling.

Stack: 625mmReach: 470mm

Verve+ 3

⚡ E-Bike • 2025

$2,800 - $3,500

Comfort-focused e-hybrid with Bosch Active Line Plus motor and 500Wh battery. Upright riding position with low standover height available in both traditional and lowstep frames—size based on height chart for most riders.

Stack: 640mmReach: 400mm

Trek Sizing Tips

How to Measure

• Height: Stand barefoot against a wall and measure from floor to top of head
• Inseam: Stand with feet 6 inches apart, measure from floor to crotch
• Arm Reach: For road bikes, measure from shoulder to fingertips

When Between Sizes

• Comfort priority: Choose the larger size
• Performance priority: Choose the smaller size
• Long torso: Size up for better reach
• Long legs: Size down for better standover

Trek Sizing FAQ

Find Your Trek Size

Use our free calculators to determine your ideal Trek frame size based on your measurements.

Road Bike Calculator

Calculate your Trek road bike size

Mountain Bike Calculator

Find your ideal MTB frame size

General Calculator

Universal bike sizing tool

Saddle Size Calculator

Find your ideal saddle width

Trek Comparisons & Guides

Compare Trek Bikes

Bianchi Oltre vs Trek Émonda Norco Sight vs Trek Fuel EX: Trail Bike Sizing Santa Cruz Hightower vs Trek Fuel EX Scott Spark vs Trek Fuel EX

View all comparisons →

Trek is Recommended For

10 Year Olds Sizing Guide

See why Trek is great for 10 year olds

11 Year Olds Sizing Guide

See why Trek is great for 11 year olds

12 Year Olds Sizing Guide

See why Trek is great for 12 year olds

3 Year Olds Sizing Guide

See why Trek is great for 3 year olds

4 Year Olds Sizing Guide

See why Trek is great for 4 year olds

5 Year Olds Sizing Guide

See why Trek is great for 5 year olds

6 Year Olds Sizing Guide

See why Trek is great for 6 year olds

7 Year Olds Sizing Guide

See why Trek is great for 7 year olds

8 Year Olds Sizing Guide

See why Trek is great for 8 year olds

9 Year Olds Sizing Guide

See why Trek is great for 9 year olds

Riders with Back Pain Sizing Guide

See why Trek is great for riders with back pain

Beginners Sizing Guide

See why Trek is great for beginners

Commuters Sizing Guide

See why Trek is great for commuters

E-Bike Riders Sizing Guide

See why Trek is great for e-bike riders

Heavy Riders Sizing Guide

See why Trek is great for heavy riders

Long Torso Riders Sizing Guide

See why Trek is great for long torso riders

Older Kids (Ages 8–12) Sizing Guide

See why Trek is great for older kids (ages 8–12)

Competitive Cyclists Sizing Guide

See why Trek is great for competitive cyclists

Senior Riders Sizing Guide

See why Trek is great for senior riders

Short Riders Sizing Guide

See why Trek is great for short riders

Small Children (Ages 3–5) Sizing Guide

See why Trek is great for small children (ages 3–5)

Tall Riders Sizing Guide

See why Trek is great for tall riders

Teenagers (Ages 12–16) Sizing Guide

See why Trek is great for teenagers (ages 12–16)

Women Mountain Bikers Sizing Guide

See why Trek is great for women mountain bikers

Women Cyclists Sizing Guide

See why Trek is great for women cyclists

Young Kids (Ages 5–8) Sizing Guide

See why Trek is great for young kids (ages 5–8)

Explore Other Brand Size Charts

Compare sizing across different bike manufacturers to find your perfect fit.

View All Brands →

Trek Size Charts by Category

Trek Road Bike Size Chart

Size	Height Range	Inseam Range
47	4'12" - 5'3"(152 - 160 cm)	27.2" - 28.7"(69 - 73 cm)
50	5'2" - 5'5"(158 - 165 cm)	28.3" - 29.9"(72 - 76 cm)
52	5'4" - 5'7"(163 - 170 cm)	29.5" - 31.1"(75 - 79 cm)
54	5'6" - 5'9"(168 - 175 cm)	30.7" - 32.3"(78 - 82 cm)
56	5'8" - 5'11"(173 - 180 cm)	31.9" - 33.5"(81 - 85 cm)
58	5'10" - 6'1"(178 - 185 cm)	33.1" - 34.6"(84 - 88 cm)
60	6'0" - 6'3"(183 - 191 cm)	34.3" - 36.2"(87 - 92 cm)
62	6'2" - 6'6"(188 - 198 cm)	35.4" - 37.4"(90 - 95 cm)

Height: 4'12" – 5'3" (152–160 cm)

Inseam: 27.2" – 28.7" (69–73 cm)

Height: 5'2" – 5'5" (158–165 cm)

Inseam: 28.3" – 29.9" (72–76 cm)

Height: 5'4" – 5'7" (163–170 cm)

Inseam: 29.5" – 31.1" (75–79 cm)

Height: 5'6" – 5'9" (168–175 cm)

Inseam: 30.7" – 32.3" (78–82 cm)

Height: 5'8" – 5'11" (173–180 cm)

Inseam: 31.9" – 33.5" (81–85 cm)

Height: 5'10" – 6'1" (178–185 cm)

Inseam: 33.1" – 34.6" (84–88 cm)

Height: 6'0" – 6'3" (183–191 cm)

Inseam: 34.3" – 36.2" (87–92 cm)

Height: 6'2" – 6'6" (188–198 cm)

Inseam: 35.4" – 37.4" (90–95 cm)

Trek Mountain Bike Size Chart

Size	Height Range	Inseam Range
XS	4'10" - 5'1"(147 - 155 cm)	26.0" - 28.0"(66 - 71 cm)
S	5'0" - 5'5"(153 - 165 cm)	27.2" - 29.9"(69 - 76 cm)
M	5'4" - 5'9"(163 - 175 cm)	29.5" - 31.9"(75 - 81 cm)
M/L	5'8" - 6'0"(173 - 183 cm)	31.1" - 33.1"(79 - 84 cm)
L	5'10" - 6'2"(178 - 188 cm)	32.3" - 34.3"(82 - 87 cm)
XL	6'1" - 6'5"(185 - 196 cm)	33.9" - 36.2"(86 - 92 cm)

Height: 4'10" – 5'1" (147–155 cm)

Inseam: 26.0" – 28.0" (66–71 cm)

Height: 5'0" – 5'5" (153–165 cm)

Inseam: 27.2" – 29.9" (69–76 cm)

Height: 5'4" – 5'9" (163–175 cm)

Inseam: 29.5" – 31.9" (75–81 cm)

M/L

Height: 5'8" – 6'0" (173–183 cm)

Inseam: 31.1" – 33.1" (79–84 cm)

Height: 5'10" – 6'2" (178–188 cm)

Inseam: 32.3" – 34.3" (82–87 cm)

Height: 6'1" – 6'5" (185–196 cm)

Inseam: 33.9" – 36.2" (86–92 cm)

Trek Hybrid Bike Size Chart

Size	Height Range	Inseam Range
XS	4'10" - 5'1"(147 - 155 cm)	26.0" - 28.0"(66 - 71 cm)
S	5'0" - 5'5"(153 - 165 cm)	27.2" - 29.9"(69 - 76 cm)
M	5'4" - 5'9"(163 - 175 cm)	29.5" - 31.9"(75 - 81 cm)
L	5'8" - 6'1"(173 - 185 cm)	31.1" - 33.9"(79 - 86 cm)
XL	6'0" - 6'5"(183 - 196 cm)	33.5" - 36.2"(85 - 92 cm)

Height: 4'10" – 5'1" (147–155 cm)

Inseam: 26.0" – 28.0" (66–71 cm)

Height: 5'0" – 5'5" (153–165 cm)

Inseam: 27.2" – 29.9" (69–76 cm)

Height: 5'4" – 5'9" (163–175 cm)

Inseam: 29.5" – 31.9" (75–81 cm)

Height: 5'8" – 6'1" (173–185 cm)

Inseam: 31.1" – 33.9" (79–86 cm)

Height: 6'0" – 6'5" (183–196 cm)

Inseam: 33.5" – 36.2" (85–92 cm)

Trek Gravel Bike Size Chart

Size	Height Range	Inseam Range
49	5'1" - 5'4"(155 - 163 cm)	28.0" - 29.5"(71 - 75 cm)
52	5'3" - 5'6"(160 - 168 cm)	29.1" - 30.7"(74 - 78 cm)
54	5'5" - 5'8"(165 - 173 cm)	30.3" - 31.9"(77 - 81 cm)
56	5'7" - 5'11"(170 - 180 cm)	31.5" - 33.1"(80 - 84 cm)
58	5'10" - 6'1"(178 - 186 cm)	32.7" - 34.3"(83 - 87 cm)
61	6'0" - 6'5"(183 - 196 cm)	33.9" - 36.2"(86 - 92 cm)

Height: 5'1" – 5'4" (155–163 cm)

Inseam: 28.0" – 29.5" (71–75 cm)

Height: 5'3" – 5'6" (160–168 cm)

Inseam: 29.1" – 30.7" (74–78 cm)

Height: 5'5" – 5'8" (165–173 cm)

Inseam: 30.3" – 31.9" (77–81 cm)

Height: 5'7" – 5'11" (170–180 cm)

Inseam: 31.5" – 33.1" (80–84 cm)

Height: 5'10" – 6'1" (178–186 cm)

Inseam: 32.7" – 34.3" (83–87 cm)

Height: 6'0" – 6'5" (183–196 cm)

Inseam: 33.9" – 36.2" (86–92 cm)

Trek E-Bike Size Chart

Size	Height Range	Inseam Range
S	5'1" - 5'6"(155 - 167 cm)	28.0" - 30.3"(71 - 77 cm)
M	5'5" - 5'10"(165 - 177 cm)	29.9" - 32.3"(76 - 82 cm)
L	5'9" - 6'2"(175 - 188 cm)	31.9" - 34.3"(81 - 87 cm)
XL	6'1" - 6'6"(186 - 198 cm)	33.9" - 36.6"(86 - 93 cm)

Height: 5'1" – 5'6" (155–167 cm)

Inseam: 28.0" – 30.3" (71–77 cm)

Height: 5'5" – 5'10" (165–177 cm)

Inseam: 29.9" – 32.3" (76–82 cm)

Height: 5'9" – 6'2" (175–188 cm)

Inseam: 31.9" – 34.3" (81–87 cm)

Height: 6'1" – 6'6" (186–198 cm)

Inseam: 33.9" – 36.6" (86–93 cm)

Popular Trek Models & Sizing Notes

Specific sizing recommendations for Trek's most popular bike models. Geometry measurements shown for reference size (typically M or 54cm).

Domane SL 5

🚴 Road Bike • 2024

$3,500 - $4,500

Endurance geometry with taller stack height. Riders seeking comfort may prefer sizing up if between sizes.

Stack: 571mmReach: 380mm

Émonda SL 6

🚴 Road Bike • 2024

$4,000 - $5,000

Lightweight climbing bike with more aggressive fit. Consider sizing down for a racier position.

Stack: 545mmReach: 385mm

Fuel EX 8

🚵 Mountain Bike • 2024

$4,500 - $5,500

Trail bike with 140mm travel. Modern long-low-slack geometry means many riders size down from previous Trek MTBs.

Stack: 618mmReach: 460mm

Checkpoint SL 5

🏔️ Gravel Bike • 2024

$3,500 - $4,500

Versatile gravel bike with stable geometry. IsoSpeed decoupler adds comfort without affecting fit.

Stack: 584mmReach: 378mm

FX 3 Disc

🚲 Hybrid Bike • 2024

$900 - $1,200

Flat-bar fitness bike with upright position. Most riders fit true to size based on height charts.

Stack: 605mmReach: 395mm

Domane+ SL

⚡ E-Bike • 2025

$5,500 - $12,000

Stack: 576mmReach: 382mm

Rail 9.7

⚡ E-Bike • 2025

$6,500 - $9,000

Stack: 625mmReach: 470mm

Verve+ 3

⚡ E-Bike • 2025

$2,800 - $3,500

Stack: 640mmReach: 400mm

Trek Sizing Tips

How to Measure

• Height: Stand barefoot against a wall and measure from floor to top of head
• Inseam: Stand with feet 6 inches apart, measure from floor to crotch
• Arm Reach: For road bikes, measure from shoulder to fingertips

When Between Sizes

• Comfort priority: Choose the larger size
• Performance priority: Choose the smaller size
• Long torso: Size up for better reach
• Long legs: Size down for better standover

Trek Size Charts by Category

Trek Road Bike Size Chart

Trek Mountain Bike Size Chart

Trek Hybrid Bike Size Chart

Trek Gravel Bike Size Chart

Trek E-Bike Size Chart

Popular Trek Models & Sizing Notes

Domane SL 5

Émonda SL 6

Fuel EX 8

Checkpoint SL 5

FX 3 Disc

Domane+ SL

Rail 9.7

Verve+ 3

Trek Sizing Tips

How to Measure

When Between Sizes

Trek Sizing FAQ

What sizes does Trek offer?

How does Trek measure their bike sizes?

What if I'm between two Trek sizes?

Are Trek bikes true to size?

Where can I test ride Trek bikes?

Find Your Trek Size

Road Bike Calculator

Mountain Bike Calculator

General Calculator

Saddle Size Calculator

Trek Comparisons & Guides

Compare Trek Bikes

Trek is Recommended For

Explore Other Brand Size Charts

Trek Size Charts by Category

Trek Road Bike Size Chart

Trek Mountain Bike Size Chart

Trek Hybrid Bike Size Chart

Trek Gravel Bike Size Chart

Trek E-Bike Size Chart

Popular Trek Models & Sizing Notes

Domane SL 5

Émonda SL 6

Fuel EX 8

Checkpoint SL 5

FX 3 Disc

Domane+ SL

Rail 9.7

Verve+ 3

Trek Sizing Tips

How to Measure

When Between Sizes

Trek Sizing FAQ

What sizes does Trek offer?

How does Trek measure their bike sizes?

What if I'm between two Trek sizes?

Are Trek bikes true to size?

Where can I test ride Trek bikes?

Find Your Trek Size

Road Bike Calculator

Mountain Bike Calculator

General Calculator

Saddle Size Calculator

Trek Comparisons & Guides

Compare Trek Bikes

Trek is Recommended For

Explore Other Brand Size Charts