The Blur, by a clear margin. At the X0 AXS tier, the Blur Trail RSV is 25.89 lb (11.74 kg) versus the Tallboy X0 AXS RSV at 29.43 lb (13.35 kg) — a 3.5 lb (1.6 kg) difference at near-identical price. On a 30-minute fire-road climb that's worth roughly a minute for a typical rider.

The Blur also gets a slightly sharper acceleration feel from the flex-stay rear end. The trade-off is more pedal bob on smooth surfaces — the lockout isn't optional on the Blur, it's part of the workflow.

The Tallboy, comfortably. A 65.7° head tube angle (vs the Blur's 67.1°), a 42 mm longer wheelbase at Medium, and the supportive VPP mid-stroke all combine to produce what reviewers consistently called a bike that "punches above its travel class."

The Blur is no slouch — the TR build with a 120 mm fork is genuinely capable — but it gets twitchy at speed where the Tallboy stays planted. Riders coming from longer-travel bikes consistently describe the Tallboy as the easier transition.

Blur: 115 mm rear (TR builds) or 107 mm rear (XC builds), 120 mm fork on both. The editor's-pick X0 AXS Trail RSV is the 115 mm trail-oriented variant.

Tallboy: 120 mm rear, 130 mm fork — same on every build in the lineup. The Tallboy gets a stiffer 34 mm-stanchion FOX 34 fork; the Blur uses the lighter 34 SC variant.

Yes, and the difference is the whole point of these two bikes existing in the same lineup.

The Blur's Superlight flex-stay single-pivot is a deliberate weight play — Santa Cruz shaved 289 g off the previous Blur frame by deleting the rear pivot. The trade-off is lower anti-squat and a more active rear end that needs the lockout on smooth climbs.

The Tallboy's counter-rotating VPP keeps the support and progression that make it ride higher in its stroke — better for pumping, jumping, and holding mid-stroke under hard cornering. It's also slightly heavier and asks for more frequent pivot-bearing service.

Both editor's-pick builds ship with SRAM Level brakes. On the Blur this is fine — the bike isn't carrying enough speed into the rough to overwhelm them. On the Tallboy, nearly every long-term reviewer flagged the Levels as under-gunned for the geometry, with multiple recommending an immediate upgrade to SRAM Codes (or four-piston equivalent) plus 200 mm rotors.

Budget another $300–$500 if you're buying the Tallboy and plan to use it the way Santa Cruz's marketing suggests.

Blur: 61 mm (roughly 2.4") official clearance. Both ship with 2.4" Maxxis Rekon (TR) or Rekon Race (XC) tires.

Tallboy: 63.5 mm (roughly 2.5") clearance. Stock tires are 2.4" Maxxis Forekaster — fast-rolling but reviewers commonly swap to a Maxxis Dissector or Assegai up front to match the bike's descending capabilities.

Both frames carry Santa Cruz's lifetime frame warranty, lifetime bearing replacement, and lifetime warranty on the Reserve carbon wheels. That's the strongest support package in the segment — it applies equally to both bikes.

The Blur has fewer pivots to service and a simpler maintenance burden, but its flex-stay area can collect debris (the "Dirt Skirt" mod is recommended in long-term reviews) and the lightweight Fox Transfer SL dropper has a poor reliability reputation.

The Tallboy has more bearings in the linkage and slightly more frequent service intervals, but the threaded BSA bottom bracket, grease ports on the lower link, and the Glovebox storage door all make it friendlier to home mechanics.

If you don't race XC marathons and you don't have a longer-travel bike for the rough stuff, the Tallboy is the answer for most riders. Its versatility — climb-friendly enough to do all-day rides, capable enough to handle the rowdy descents at your local trail center — covers more of the use cases an average rider will actually encounter.

The Blur is the right call if you have a clearly defined XC or marathon goal, or if you already own a trail/enduro bike and want a dedicated lightweight rig for the long, climb-heavy days.