Velopedia Bicycle Archive
2027 Santa Cruz Blur 90
Mountain bicycle from the Velopedia specification archive.
- Original MSRP
- $5,799.00
- Sizes
- S, M, L, XL
- Colors
- Matte Charcoal, Gloss Tart Cherry
- Weight
- 27.56lbs / 12.5kg
- Geometry
- 4 manufacturer sizes · Ride analysis
- Archive ID
- 900000414
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Velopedia analysis
What the specifications mean
Suspension at both ends means fork and shock setup should be considered together; mismatched sag or rebound can leave the front and rear reacting very differently. The 520% cassette range describes the available gearing more clearly than the component-group name alone. Carbon construction changes the inspection emphasis from metal-style dents and corrosion to impact damage, ripples and overtightened clamp areas.
Suspension setup
Front + rear
Fork and shock pressure, sag and rebound should be balanced and recorded independently.
Gearing
520% cassette range
Calculated from the published 10–52-tooth sprocket span.
Frame material
Carbon / composite
Look for impact damage and clamp marks rather than metal-style dents or rust.
Wheel standard
29 in · 622 mm
Rim width and frame or fork clearance remain important beyond nominal diameter.
Used-bike inspection
If you’re buying this bike used
Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.
Follow the full used-bike inspection order →- FrameInspect the frame in bright light, especially around the head tube, bottom bracket, chainstays and clamped areas. Look for cracks, ripples, crushed sections or signs of a previous impact.Inspect the frame and fork →
- BrakesTest each brake separately and confirm it stops firmly and releases cleanly. Inspect the pads and braking surfaces for wear or contamination, and check the cables or hoses for damage.Inspect the brakes →
- SuspensionAsk when the fork and shock were last serviced. Check the stanchions for damage, look for oil at the seals, cycle both units through their travel and test the suspension pivots for play.Evaluate the suspension →
- DrivetrainShift through every gear under light load and measure chain wear. Confirm that the shifter, derailleur, chain and cassette belong to the same 12-speed system.Check drivetrain wear →
- Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.Check wheels and tires →
Bike-specific inspection checklist 22 checks based on 6 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2027 Santa Cruz Blur 90 · Mountain · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: Carbon CC 29" 120mm Travel Superlight™ · Fork: FOX 34 SL Float Performance, Grip, 120mm
Suspension
Evaluate the suspension →Archived: Fork: FOX 34 SL Float Performance, Grip, 120mm · Rear shock: FOX Float SL Performance, 190x45
Drivetrain
Check drivetrain wear →Archived: Shifters: SRAM 90 Eagle T-Type, 12spd · Rear derailleur: SRAM 90 Eagle T-Type, 12spd · Crankset: SRAM 90 Eagle DUB T-Type, 34t S: 165mm; M-XL: 170mm · Bottom bracket: SRAM DUB 73mm MTB Wide BB · Cassette: SRAM XS 1275 Eagle T-Type, 10-52t · Chain: SRAM GX Eagle T-Type, Flattop, 12spd
Brakes
Inspect the brakes →Archived: Brakes: SRAM DB8
Wheels and tires
Check wheels and tires →Archived: Wheel size: 29" · Rims: (F) RaceFace AR Offset 27 29 / (R) RaceFace AR Offset 27 29 · Hubs: (F) DT Swiss 370, 15x110, 6-Bolt, 28h / (R) DT Swiss 370, 12x148, XD, 6-Bolt, 36t, 28h · Front tire: Maxxis Aspen AT 29x2.4 MaxxSpeed EXO · Rear tire: Maxxis Aspen AT 29x2.4 MaxxSpeed EXO
Controls and contact points
Archived: Headset: Cane Creek 40 IS Integrated Headset · Handlebar: RaceFace Ride, 35mm, 10mm Rise All Sizes: 760mm · Stem: Santa Cruz CNC All Sizes: 50mm · Seatpost: OneUp Dropper Post, 31.6 S: 125mm; M: 150mm; L: 180mm: XL: 210mm · Saddle: SDG Bel-Air V3 Lux-Alloy
Before and during the test ride
Follow the full used-bike inspection order →Interpretation based on the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.
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Frameset
| Frame Construction | Carbon CC 29" 120mm Travel Superlight™ |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | FOX 34 SL Float Performance, Grip, 120mm |
| Rear Shock | FOX Float SL Performance, 190x45 |
Drivetrain
| Shifters | SRAM 90 Eagle T-Type, 12spd |
|---|---|
| Rear Derailleur | SRAM 90 Eagle T-Type, 12spd |
| Crankset | SRAM 90 Eagle DUB T-Type, 34t S: 165mm; M-XL: 170mm |
| Bottom Bracket | SRAM DUB 73mm MTB Wide BB |
| Cassette | SRAM XS 1275 Eagle T-Type, 10-52t |
| Chain | SRAM GX Eagle T-Type, Flattop, 12spd |
Brakes
| Brakes | SRAM DB8 |
|---|
Cockpit & Contact Points
| Headset | Cane Creek 40 IS Integrated Headset |
|---|---|
| Handlebar | RaceFace Ride, 35mm, 10mm Rise All Sizes: 760mm |
| Stem | Santa Cruz CNC All Sizes: 50mm |
| Saddle | SDG Bel-Air V3 Lux-Alloy |
| Seatpost | OneUp Dropper Post, 31.6 S: 125mm; M: 150mm; L: 180mm: XL: 210mm |
Wheels & Tires
| Hubs | (F) DT Swiss 370, 15x110, 6-Bolt, 28h / (R) DT Swiss 370, 12x148, XD, 6-Bolt, 36t, 28h |
|---|---|
| Rims | (F) RaceFace AR Offset 27 29 / (R) RaceFace AR Offset 27 29 |
| Front Tire | Maxxis Aspen AT 29x2.4 MaxxSpeed EXO |
| Rear Tire | Maxxis Aspen AT 29x2.4 MaxxSpeed EXO |
| Wheel Size | 29" |
Size-specific frame data
Geometry
Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Seat tube | 405 mm | 405 mm | 440 mm | 490 mm |
| Top tube | 575 mm | 596 mm | 622 mm | 650 mm |
| Head tube | 90 mm | 90 mm | 100 mm | 115 mm |
| Head-tube angle | 66° | 66° | 66° | 66° |
| Seat-tube angle | 75.7° | 76° | 76.1° | 76.2° |
| Chainstay / rear center | 433 mm | 435 mm | 437 mm | 439 mm |
| Wheelbase | 1151 mm | 1178 mm | 1209 mm | 1242 mm |
| Bottom-bracket drop | 38.5 mm | 38.5 mm | 38.5 mm | 38.5 mm |
| Bottom-bracket height | 334 mm | 334 mm | 334 mm | 334 mm |
| Reach | 425 mm | 450 mm | 475 mm | 500 mm |
| Stack | 588 mm | 588 mm | 597 mm | 611 mm |
| Standover height | 735 mm | 743 mm | 745 mm | 744 mm |
| Front center | 718 mm | 743 mm | 772 mm | 803 mm |
Geometry source: Manufacturer HTML geometry table ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.
Geometry interpretation
What this geometry means
S geometry
Riding position
A 425 mm reach paired with 588 mm of stack gives this size a moderate frame proportion: roomy enough when standing without pushing strongly toward either a very low or very upright front end.
Handling tendencies
A 66° head angle combined with a 1151 mm wheelbase points to stability-oriented steering and chassis behavior. The longer the chassis and slacker the front end, the more the bike tends to favor composure over very quick direction changes.
Archive context
Its stack of 588 mm sits toward the lower end. Its wheelbase of 1151 mm sits somewhat shorter than typical. The head angle of 66° sits somewhat steeper than typical.
M geometry
Riding position
A 450 mm reach paired with 588 mm of stack gives this size a moderate frame proportion: roomy enough when standing without pushing strongly toward either a very low or very upright front end. Its 76° effective seat angle places the seated rider relatively forward, a layout that generally helps keep body weight centered on steep climbs.
Handling tendencies
A 66° head angle combined with a 1178 mm wheelbase points to stability-oriented steering and chassis behavior. The longer the chassis and slacker the front end, the more the bike tends to favor composure over very quick direction changes.
Archive context
Its stack of 588 mm sits toward the lower end. Its wheelbase of 1178 mm sits somewhat shorter than typical. The head angle of 66° sits somewhat steeper than typical.
L geometry
Riding position
With 475 mm of reach and 597 mm of stack, the frame has a relatively long, low proportion that should leave plenty of room when standing and put the front end toward the lower side of modern mountain-bike fit. Its 76.1° effective seat angle places the seated rider relatively forward, a layout that generally helps keep body weight centered on steep climbs.
Handling tendencies
A 66° head angle combined with a 1209 mm wheelbase points to stability-oriented steering and chassis behavior. The longer the chassis and slacker the front end, the more the bike tends to favor composure over very quick direction changes.
Archive context
Its stack of 597 mm sits toward the lower end. Its wheelbase of 1209 mm sits somewhat shorter than typical. Its bottom-bracket drop of 38.5 mm sits somewhat deeper than typical.
XL geometry
Riding position
With 500 mm of reach and 611 mm of stack, the frame has a relatively long, low proportion that should leave plenty of room when standing and put the front end toward the lower side of modern mountain-bike fit. Its 76.2° effective seat angle places the seated rider relatively forward, a layout that generally helps keep body weight centered on steep climbs.
Handling tendencies
A 66° head angle combined with a 1242 mm wheelbase points to stability-oriented steering and chassis behavior. The longer the chassis and slacker the front end, the more the bike tends to favor composure over very quick direction changes.
Archive context
Its stack of 611 mm sits toward the lower end. Its wheelbase of 1242 mm sits somewhat shorter than typical. The head angle of 66° sits somewhat steeper than typical.
Across the size range
From S to XL, reach grows by 75 mm and stack by 23 mm, showing how the frame becomes both longer and taller through the published size range. Chainstay length grows from 433 to 439 mm across the range. That size-specific rear-center strategy helps the larger frames grow at both ends instead of adding all of their length ahead of the bottom bracket.
Geometry describes frame proportions and likely tendencies, not a ride test. Rider proportions, cockpit setup, tires, suspension settings, wheel configuration, and component choices can materially change how a bicycle fits and feels.
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.