Orbea Avant
Road Endurance · All-road · closest size 53
Relaxed
Stack +0 mm, reach +4 mm versus this frame’s size 54.
US list price: $2,623.95
ROAD ENDURANCE · ALL-ROAD / MANUFACTURER CHART
Specialized Roubaix SL8
Specialized’s endurance road frame, sold with front suspension.
Current frame, chart read from S-Works Roubaix SL8
- US list price, complete bikes
- $2,999.99 to $12,499.99
Read October 17, 2026 - Position, size 54
- Relaxed
Shorter frame reach than GnR’s fixed benchmark at this stack.
How the maker describes it
endurance road machine
Maker wording supports the GnR category; geometry and complete-bike setup remain separate.
Classification source: Specialized ↗. Read October 17, 2026.
Price scope and source
Roubaix SL8 complete bikes: Tiagra, Sport, Comp, Expert, Pro and S-Works builds. Model year: Not stated on page.
Displayed USD prices on 2026-10-17 on Specialized's own US listing page, supplied by Ryan. Cents are as displayed. Range covers only the named builds, not every bike in the family. Not an availability claim.
Manufacturer price source ↗. Reviewed October 17, 2026.
Verified tire clearance
38 mm. Maker states up to 38c/40mm; GnR records the conservative 38 mm nominal value. Verify measured width and setup. All-road is GnR’s ≥35 mm Road Endurance house rule, not an industry standard.
Clearance source ↗. Read October 17, 2026.
Chart read from one build; GnR has not compared it with other builds of this frame. Prices cover complete Roubaix SL8 bikes, not framesets.
Published frame dimensions
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 | 543 | 353 | 994 | 69.3° | 686 | Relaxed |
| 49 | 549 | 363 | 992 | 70.8° | 719 | Relaxed |
| 52 | 566 | 370 | 988 | 71.5° | 747 | Relaxed |
| 54 | 585 | 381 | 1005 | 72.3° | 766 | Relaxed |
| 56 | 605 | 389 | 1012 | 73° | 787 | Relaxed |
| 58 | 630 | 397 | 1031 | 73° | 809 | Relaxed |
| 61 | 665 | 403 | 1042 | 73.5° | 847 | 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: Specialized manufacturer’s chart ↗. Checked October 16, 2026.
Where this frame sits
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.
Comparable frames from other brands
Each is the closest match to this frame’s size 54 (stack 585 mm, reach 381 mm) among current road frames from other brands.
Giant Defy Advanced
Road Endurance · All-road · closest size M/L
Relaxed
Stack -8 mm, reach +3 mm versus this frame’s size 54.
US list price: $3,300
Scott Speedster
Road Endurance · closest size L/56
Relaxed
Stack +8.299999999999955 mm, reach +4 mm versus this frame’s size 54.
US list price: $2,099.99
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.
Find alternatives to this frame
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 ↗Does similar geometry mean the same fit?
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.