Orbea Orca
Road Race · Lightweight · closest size 53
Balanced
Stack -3 mm, reach +1 mm versus this frame’s size 54.
US list price: $12,178.95
ROAD RACE · ALL-ROUND / ARCHIVED CHART
An archived fourth-generation SuperSix EVO high-performance road reference.
Gen 4 · CY2023 archived chart
High-Performance Road
The official generation manual defines high-performance road use. GnR assigns Road Race/All-round because the platform combines low weight, aerodynamics and broad race use; the focus is not a manufacturer subcategory.
Classification source: Cannondale ↗. Read October 17, 2026.
34 mm. Manual p.7 states 34 mm maximum measured tire width for the frame and fork.
Clearance source ↗. Read October 17, 2026.
Top-tube bag mount.
Exact CY2023 carbon chart only. Not Gen 3 or CY2026 Gen 5. Frame proportions exclude cockpit and saddle setup. US price not reviewed.
Lengths are in millimeters. Head angles are in degrees. Frame stack and reach do not include the stem, spacers or handlebars.
| Size | Stack | Reach | Wheelbase | Head angle | Standover | Position |
|---|---|---|---|---|---|---|
| 44 | 505 | 370 | 981 | 70.9° | 698 | Balanced |
| 48 | 520 | 374 | 987 | 71.2° | 727 | Balanced |
| 51 | 535 | 378 | 996 | 71.2° | 756 | Balanced |
| 54 | 555 | 384 | 1010 | 71.2° | 788 | Balanced |
| 56 | 575 | 389 | 994 | 73° | 807 | Balanced |
| 58 | 595 | 395 | 1007 | 73° | 836 | Balanced |
| 61 | 625 | 403 | 1024 | 73° | 866 | Relaxed |
Aggressive longer reach than the fixed benchmark at this stack · Balanced within the benchmark band · Relaxed shorter reach than the benchmark at this stack
Source: Cannondale manufacturer’s chart ↗. Checked October 17, 2026.
Each dot is one published frame size. The green band is GnR’s fixed geometry benchmark. Frames to its right have longer reach at the same stack (Aggressive); frames to its left have shorter reach (Relaxed). The benchmark does not change with bike type or catalog additions.
Each is the closest match to this frame’s size 54 (stack 555 mm, reach 384 mm) among current road frames from other brands.
Road Race · Lightweight · closest size 53
Balanced
Stack -3 mm, reach +1 mm versus this frame’s size 54.
US list price: $12,178.95
Road Endurance · All-road · closest size S/52
Balanced
Stack +2 mm, reach -2 mm versus this frame’s size 54.
US list price: $8,999.99
Road Race · Lightweight · closest size 54
Balanced
Stack +4 mm, reach +0 mm versus this frame’s size 54.
US list price: $6,499.99 to $13,999.99
Prices are the maker’s US list prices for complete bikes on the date shown, and include sale prices on that date. Ranges cover only the named builds, not every bike in a family. Framesets, tax and shipping are excluded. A displayed price, including an archived sale price, does not establish stock or a purchasable offer. Retailer prices and later changes are not tracked.
Use this exact chart as your reference, select your size, then explore similar dimensions or a deliberate position change. Confirm the frame generation matches your bike before using it.
Match this bike ↗Similar frame dimensions are a starting point. Saddle height and setback, seat-tube geometry, stem length and angle, headset spacers, handlebars and control position affect the completed bike. Review those details before buying.