Specialized Bike Size Chart: Find Your Frame Size by Height

Race-oriented geometry with aggressive positioning. Specialized's 2024 Tarmac SL8 frameset chart puts the reference 54 at 544 mm stack and 384 mm reach, so use stack and reach instead of assuming the number alone tells the whole story.

Endurance geometry with Future Shock suspension. Taller stack provides comfortable position for long rides.

Trail bike with 140mm travel and S-Sizing rather than XS-XL. The size ranges overlap on purpose. Choose a shorter reach and wheelbase for playful handling or a longer one for stability, and check dropper-post insertion before sizing up.

Adventure gravel bike with Specialized's Future Shock 2.0 suspension decoupler in the head tube, which provides 20mm of progressive travel to absorb rough terrain. The slacker 71° head angle and longer wheelbase compared to the Roubaix give more stable handling on loose surfaces-riders between sizes should size down for technical off-road riding or size up for loaded bikepacking comfort.

Full-suspension e-MTB with proprietary 2.2 motor and 700Wh battery. It uses reach-led S-Sizing like the Stumpjumper: choose shorter for manoeuvrability or longer for speed stability. If both sizes fit, include the heavier bike's balance at stops and off-bike handling before choosing the larger frame.

Lightweight e-road bike with SL 1.2 motor producing 35Nm of torque and 320Wh internal battery. Nearly identical geometry to the Tarmac-riders should use their road bike size, with the ultralight motor adding only 1.95kg to frame weight.

Urban commuter e-bike with Specialized 2.2 motor and a 710Wh battery offering up to 120 miles of assisted range. The motor and battery add significant low-centered weight that improves stability at speed but makes the bike heavier to maneuver at walking pace. Available in step-over and step-through frames-step-through riders should match standover height to ensure comfortable stops in traffic, while all riders should test reach to the flat bar for a relaxed commuting posture.

Premium alloy crit/race bike that borrows Tarmac SL7 tube shapes in hydroformed Smartweld aluminium. Size 56 uses stack 558 mm and reach 398 mm, which makes it 7 mm lower and 3 mm longer than the Tarmac SL8 at the same label. Most riders can start on the same number and then decide if they want the Sprint's slightly lower front end. Between sizes, size down for criterium racing or up if you spend more time training than racing.

Lightweight unfaired climbing bike with classic round tubes and no aero pretensions. Size 56 uses stack 580 mm and reach 391 mm, so it sits 15 mm taller and 4 mm shorter than a Tarmac SL8 56. Riders coming from a Tarmac SL8 should pick the same numeric size and expect a noticeably more upright front end. Between sizes, lean smaller for spirited group rides and larger for all-day comfort.

Race-focused cyclocross and gravel bike built on the Aethos chassis with clearance for 700×47c tyres. Size 56 uses stack 565 mm and reach 395 mm, which is 21 mm less stack and 15 mm more reach than the Diverge at 56. The result is a sharper, more CX-style fit. Riders cross-shopping the Diverge for gravel should size down on the Crux if they want a similar saddle-to-bar drop. Aggressive race fit overall.

Cross-country race bike that replaces the Epic 8, Epic EVO and Epic World Cup with a single 120 mm front and rear platform. Sizing stays on letter sizes from XS to XL rather than S-Sizing. The Medium measures stack 604 mm and reach 455 mm in the low flip-chip setting, suiting riders around 165-180 cm. Riders in the Medium/Large overlap should pick Medium for tight World Cup-style courses and Large for marathon or downcountry use.

Long-travel 170 mm 29er gravity bike using Specialized's S-Sizing system. S3 (Medium equivalent) uses stack 620 mm and reach 464 mm in the low BB setting with a 63.9° head angle. Published rider range for S3 is 165-180 cm and S4 covers 175-188 cm. Riders in the 175-180 cm overlap should pick S3 for tight, technical trails and S4 for high-speed bike-park terrain. S-Sizing means stack changes very little between sizes, so the choice is really a reach and wheelbase decision.

Mixed-wheel (29"/27.5") freeride/park bike with 160 mm travel and S-Sizing. S3 uses stack 623 mm and reach 462 mm in the low setting, just slightly more upright than the Enduro at the same size. The Status is aimed at riders who shuttle and lap bike parks rather than pedal long miles, so the seat tube is shorter and standover is lower than the Enduro for easier dropper-post use. Size by reach preference. S-Sizing rider range mirrors the Enduro almost exactly.

Entry recreational hardtail and a popular pick under $1,000 in North America. Medium 29er uses stack 616 mm and reach 425 mm with a 68° head angle. Available in 27.5" wheels for XS/S and 29" for S through XL, with the S overlap using 27.5" for stand-over comfort. Specialized's height ranges are conservative on the Rockhopper. If you are between sizes and care more about manoeuvrability than reach, size down.

Cross-terrain fitness hybrid with 700×42c semi-knobby tyres, a carbon fork, and flat-bar geometry. Medium uses stack 635 mm and reach 382 mm, an upright fit comparable to the Sirrus 4.0 but with more tyre clearance. Sizing follows the standard Specialized hybrid chart: pick by height and confirm by stand-over. Riders between sizes should size up for relaxed commuting posture or down for a sportier fitness-ride position. The Future Shock 1.5 head-tube spring on higher trims adds 20 mm of bump compliance without changing fit.

Lightweight e-commuter with Specialized SL 1.2 motor (35 Nm), 320Wh internal battery, and a fully equipped build (lights, fenders, rack). Geometry is sportier than the heavier Vado: Medium uses stack 606 mm and reach 398 mm, roughly 40 mm less stack and 3 mm more reach than the Vado 5.0. Riders moving up from a Vado should expect a lower, slightly racier position. The motor adds about 1.95 kg, so size selection follows the standard Specialized hybrid chart rather than e-bike-specific guidance.

24-inch wheel hardtail for kids roughly 125-145 cm tall (inseam 53-66 cm, ages 8-12). Geometry: stack 495 mm and reach 370 mm with a 68° head angle, putting the bar high enough for upright kid posture but the wheelbase long enough for stable singletrack descents. Specialized publishes a minimum saddle height around 660 mm. Confirm your child can plant the balls of both feet on the ground at the lowest saddle setting before they pedal away. Sized by wheel diameter, not frame number.

Specialized's all-purpose kids' bike line in 12", 16", 20", and 24" wheel sizes for riders 36" to 60" tall. Lightweight A1 aluminum frame, narrow Q-factor cranks sized for a child's hip width, easy-reach brake levers, and rim or disc brakes by size.