184 cm sits right on the M/L line
At 184 cm with an 84 cm inseam, either Aeroad size fits by the numbers. Canyon's own chart puts you at the top of M and the bottom of L, so the call comes down to reach preference and arm length, not height alone.
Height and inseam guidance, Aeroad-specific geometry, and model-by-model size checks

| Size | Height | Inseam |
|---|---|---|
| S | 167-175 cm | 76-80 cm |
| M | 173-181 cm | 79-84 cm |
| L | 179-187 cm | 83-88 cm |
This is a quick reference, not the full range. Compare every Canyon bike category.
General tables versus model-specific evidence
The category tables are broad reference bands, not Canyon PPS results. For the Aeroad CFR documented here, use its sourced model chart instead. Verify the product ID and generation before applying those figures to another Aeroad or Ultimate.
XS and time-trial sizing
Canyon XS does not translate to one frame size in centimeters across every model. Speedmax fitting also depends on pad stack and pad reach; the road table on this page is not a Speedmax fit chart.
Road Bike · Aeroad CFR
Measurement basis: Model-specific height bands and frame stack/reach; not a current-lineup sizing guarantee.
Compare the exact sizes with a bike you already ride, then confirm the choice with Canyon.
Compare Canyon frame stack and reachUse Canyon's Perfect Positioning System with your height and inseam, then check the exact model and generation. A Canyon M is not a fixed height range across road, gravel and mountain bikes. This page separates general category tables from the sourced Aeroad geometry notes; do not transfer an Aeroad recommendation directly to an Endurace, Grail or Spectral.
Enter your height and inseam in centimeters. The result shows chart rows that include both measurements; check the exact model geometry before choosing.
| Size | Height Range | Inseam Range |
|---|---|---|
2XS | 5'1" - 5'4"(155 - 163 cm) | 27.6" - 29.1"(70 - 74 cm) |
XS | 5'3" - 5'7"(161 - 169 cm) | 28.7" - 30.3"(73 - 77 cm) |
S | 5'6" - 5'9"(167 - 175 cm) | 29.9" - 31.5"(76 - 80 cm) |
M | 5'8" - 5'11"(173 - 181 cm) | 31.1" - 33.1"(79 - 84 cm) |
L | 5'10" - 6'2"(179 - 187 cm) | 32.7" - 34.6"(83 - 88 cm) |
XL | 6'1" - 6'4"(185 - 193 cm) | 34.3" - 36.2"(87 - 92 cm) |
2XL | 6'3" - 6'7"(191 - 200 cm) | 35.8" - 38.2"(91 - 97 cm) |
| Size | Height Range | Inseam Range |
|---|---|---|
XS | 5'0" - 5'4"(153 - 163 cm) | 26.8" - 29.1"(68 - 74 cm) |
S | 5'3" - 5'8"(161 - 172 cm) | 28.3" - 30.7"(72 - 78 cm) |
M | 5'7" - 5'11"(170 - 180 cm) | 30.3" - 32.7"(77 - 83 cm) |
L | 5'10" - 6'2"(178 - 188 cm) | 32.3" - 34.6"(82 - 88 cm) |
XL | 6'1" - 6'6"(186 - 198 cm) | 34.3" - 37.0"(87 - 94 cm) |
| Size | Height Range | Inseam Range |
|---|---|---|
XS | 5'1" - 5'5"(155 - 165 cm) | 27.6" - 29.5"(70 - 75 cm) |
S | 5'4" - 5'8"(163 - 173 cm) | 29.1" - 31.1"(74 - 79 cm) |
M | 5'7" - 5'11"(171 - 181 cm) | 30.7" - 33.1"(78 - 84 cm) |
L | 5'10" - 6'2"(179 - 189 cm) | 32.7" - 35.0"(83 - 89 cm) |
XL | 6'2" - 6'6"(187 - 198 cm) | 34.6" - 37.0"(88 - 94 cm) |
| Size | Height Range | Inseam Range |
|---|---|---|
2XS | 5'1" - 5'4"(155 - 163 cm) | 27.6" - 29.1"(70 - 74 cm) |
XS | 5'3" - 5'7"(161 - 169 cm) | 28.7" - 30.3"(73 - 77 cm) |
S | 5'6" - 5'9"(167 - 175 cm) | 29.9" - 31.5"(76 - 80 cm) |
M | 5'8" - 5'11"(173 - 181 cm) | 31.1" - 33.1"(79 - 84 cm) |
L | 5'10" - 6'2"(179 - 187 cm) | 32.7" - 34.6"(83 - 88 cm) |
XL | 6'1" - 6'5"(185 - 195 cm) | 34.3" - 36.6"(87 - 93 cm) |
| Size | Height Range | Inseam Range |
|---|---|---|
XS | 5'1" - 5'5"(155 - 166 cm) | 27.6" - 29.9"(70 - 76 cm) |
S | 5'5" - 5'9"(164 - 174 cm) | 29.5" - 31.5"(75 - 80 cm) |
M | 5'8" - 5'12"(172 - 182 cm) | 31.1" - 33.1"(79 - 84 cm) |
L | 5'11" - 6'3"(180 - 190 cm) | 32.7" - 35.0"(83 - 89 cm) |
XL | 6'2" - 6'7"(188 - 200 cm) | 34.6" - 37.4"(88 - 95 cm) |
This road chart provides a starting range, not final fit. Smaller does not always mean racier, and larger does not guarantee comfort. Verify exact model-year geometry.
Enter height from 120 to 220 cm and cycling inseam from 50 to 120 cm, shorter than your height.
Respect seatpost minimum insertion, saddle rail marks, and fork and stem spacer limits. Set the saddle for pedaling, not to repair handlebar reach. A stem change cannot fix unsafe standover or unavailable bar height. Stop if pain, numbness, brake access or handling remains a problem and consult a fitter; persistent symptoms also need medical advice.
Sizing reference
The shared road-bike table above is a general reference used across this page. Canyon's own Aeroad chart runs its M and L height ranges about 5 cm higher, and the Ultimate CF SL/SLX shares those exact same Aeroad numbers at every letter size rather than the shared table's. Use the numbers below when sizing an Aeroad or Ultimate specifically.
Aeroad M
178-184 cm height, 560 mm stack, 393 mm reach
Aeroad L
184-190 cm height, 580 mm stack, 401 mm reach
184 cm exactly
That is the published line between M and L - the top of M and the bottom of L
At 184 cm with an 84 cm inseam, either Aeroad size fits by the numbers. Canyon's own chart puts you at the top of M and the bottom of L, so the call comes down to reach preference and arm length, not height alone.
Canyon's shared road table lists M at 173-181 cm. That generic range does not match what Canyon actually publishes for the Aeroad or the Ultimate - both models' own charts put M at 178-184 cm. Go by the Aeroad-specific ranges here instead; they apply to the Ultimate at the same letter size too.
Best for: riders who want a low, aero position and are comfortable with a fully integrated cockpit
M fits 178-184 cm (560 mm stack, 393 mm reach). L fits 184-190 cm (580 mm stack, 401 mm reach). The integrated bar and stem are hard to change after purchase, so it is worth confirming with Canyon's Perfect Positioning System before you order.
Fit tip: Right at 184 cm? Go by reach preference and arm length, not height alone.
184 cm is the exact boundary in Canyon's own Aeroad chart. Riders with longer arms or a preference for a stretched-out aero position tend to prefer L; riders who want a slightly more compact front end tend to prefer M.
These rows come from the linked manufacturer charts. Match the product and generation before using them. An undated chart is a dated source capture, not a promise that every model year shares the same geometry. Missing measurements are not estimated.
Checked for the 2024 model year against the manufacturer's undated geometry run.
Captured from the Basic geometry table for Aeroad CFR eTap, product 3950. Frame Stack and Reach are used, not Stack+, Reach+ or effective cockpit coordinates. The download date is not a model year. Product 3463 currently exposes only M and differs in some secondary dimensions, so its rows are not merged into this chart.
| Size | Stack (mm) | Reach (mm) |
|---|---|---|
| 2XS | 498 | 372 |
| XS | 521 | 378 |
| S | 539 | 390 |
| M | 560 | 393 |
| L | 580 | 401 |
| XL | 606 | 419 |
| 2XL | 624 | 429 |
Checked for the 2024 model year against the manufacturer's undated geometry run.
Captured from the Basic geometry table for Endurace CF 7, product 4274. Frame Stack and Reach are used, not Stack+, Reach+ or Effective Stack/Reach. Product 2855 has matching frame stack/reach but different published top-tube entries; those charts are not combined. The download date does not establish a model year.
| Size | Stack (mm) | Reach (mm) |
|---|---|---|
| 3XS | 510 | 350 |
| 2XS | 529 | 354 |
| XS | 548 | 370 |
| S | 568 | 375 |
| M | 590 | 378 |
| L | 611 | 387 |
| XL | 637 | 405 |
| 2XL | 656 | 414 |
Specific sizing recommendations for Canyon's most popular bike models. Geometry measurements shown for reference size (typically M or 54cm).
Aero race bike with a fully integrated cockpit, so size selection matters more here than on a relaxed frame - there is little room to correct it with a stem swap afterward. Size M is 560 mm stack / 393 mm reach on Canyon's own Aeroad-specific chart, which runs about 5 cm higher in height range than the shared road-bike table on this page: M covers 178-184 cm here, not 173-181 cm. Use Canyon's PPS tool for a precise fit; see the Aeroad size-range note above the chart if you are deciding between M and L.
The sourced Endurace CF 7 product-4274 M chart has 590 mm stack and 378 mm reach, 30 mm taller and 15 mm shorter than the sourced Aeroad CFR eTap M. Use the exact CF product chart and Canyon's PPS; sizing up for comfort also changes reach, standover and the available saddle position.

Trail/enduro bike with 150mm travel. Modern long geometry-many riders size down from road sizing; prioritize reach over height. Selected Amazon listing: Canyon Spectral CF 8, Reflecting Grey, Medium. This offer is size Medium, color Reflecting Grey. Check the selected variant and mounting or fit requirements before ordering; other family variants are separate listings.
Gravel bike with unique double-decker handlebar. CP20 cockpit affects fit-consider stack height when sizing.
Full-suspension e-MTB with Bosch Performance CX motor and 750Wh battery. 140mm travel trail geometry pairs with Canyon's Triple Phase suspension-use Canyon's PPS fit tool and size as you would for the acoustic Neuron.
E-gravel bike with Bosch SX motor and 400Wh battery, plus optional range extender. Unique double-decker handlebar and gravel-optimized geometry-riders should match their Grail CF size for consistent positioning on long mixed-terrain rides.
Urban commuter e-bike with Bosch Performance Line motor and 545Wh integrated battery. The motor adds roughly 3.5 kg of low-centered weight which stabilizes handling at speed. Available in diamond and step-through frames-step-through riders should match standover height to inseam, while diamond-frame riders should also consider reach to the flat handlebar for a relaxed commuting posture.
5th-gen all-rounder race frame: lighter and slightly more compliant than the Aeroad, with semi-aero tube shapes that compromise less on climbing. Size M is 560 mm stack / 393 mm reach - identical to the Aeroad CFR at the same size, so the two frames put a rider in the same riding position. The real difference is in tube shaping and a shorter seat tube (510 mm versus the Aeroad's 533 mm) for more seatpost extension, not a taller or lower front end. Available across CF SL, CF SLX and CFR layups; geometry is identical between them.
Pure UCI cyclocross race frame: 33c tire clearance, high bottom bracket for pedal clearance through corners, and the distinctive kinked top tube for shouldering during run-ups. Size M is 572/393 - 12 mm taller and identical reach to the road-going Ultimate CF SL (and the Aeroad CFR, which shares the Ultimate's M-size numbers). CX-specific; not the right frame for gravel bikepacking despite the drop bars (look at the Grail or Grizl instead).
Enduro full-suspension with 160 mm rear travel, 170 mm fork, and the Shapeshifter geometry-adjust system that drops the seat angle by 1.5° and lowers the BB at the flick of a lever. Size M reach is a long 475 mm with 634 mm stack - aggressive even by modern enduro standards. Many riders in the 172-180 cm range will be more comfortable sizing down to S (455 mm reach) for technical, switchback-heavy terrain.
Down-country / aggressive XC platform with 120 mm front and 110 mm rear travel - splits the difference between the pure-XC Lux World Cup and the trail-leaning Neuron. Size M stack/reach is 600/460. Compared to the Cannondale Scalpel (M 602/430) the Lux Trail runs 30 mm longer in reach, which suits taller riders or anyone wanting more stability on rough descents.
Race-spec downhill bike with 200 mm rear travel, high-pivot idler, and a 63° head angle. Available in full 29" or Mullet (29"/27.5") spec - both share the M reach of 460 mm and stack of 623 mm. Park and race bike only; the steep seat tube angle and DH-only suspension make it unsuitable for trail riding. Most park riders pick the size based on bike park preference - shorter reach (M) for playful, longer (L) for raw race speed.
Fitness flat-bar based on Endurace road geometry but with a wider 28c tire spec and integrated lights/fenders/rack mounts. Size M is 563/420 - the reach matches an Endurace M (375 mm + 45 mm of stem and bar reach for a comparable cockpit). Best for commuters and fitness riders who want road-bike efficiency without drop bars.
Trekking hybrid built around 700×50c tires, a suspension fork, and a wide-range 1x drivetrain. Size M stack/reach is 617/404 - more upright than the Roadlite but tipped slightly forward for efficient pedalling over distance. The standard diamond frame and the mid-step variant share most of the geometry; mid-step lowers the standover by about 40 mm for easier mount-and-dismount.
Aggressive alloy hardtail with 140 mm fork and trail-bike geometry - longer reach and slacker head angle than a typical XC hardtail. Size M is 626/455, which is identical reach to the Lux Trail full-suspension at the same number. Riders shopping the Stoic against the Cannondale Trail SE 4 (M 626/440) get 15 mm more reach for similar money - more capable on steep descents but a stretched-out cockpit on long climbs.
Light-assist e-road bike with Fazua Ride 60 motor in the bottom bracket and a 430 Wh battery in the down tube - the integration is subtle enough that the bike looks like a regular Endurace AL. Published M geometry (590/378) is close enough to the acoustic Endurace AL that riders sizing from one to the other can stick with the same frame size. Battery removal is tool-less, useful for riders who park outdoors.
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Helmets, saddles, lights and locks that fit any Canyon build.

Bell
Universal Youth, 52-57 cm.

Avasta
This offer is size S (For 12-20" Bike), color Black. Check the selected variant and mounting or fit requirements before ordering; other family variants are separate listings.

Bell
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Abus
Selected 9-inch shackle version with USH frame holder. Holder fits frame tubes 0.59-1.38 inches in diameter. Check clearance around the frame, wheel and fixed rack before ordering.

Bivo
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Giro
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