Santa Cruz Bicycles is undoubtedly known as a mountain bike brand but the company has dabbled in the drop-bar world for almost two decades. Now in its fourth generation, Santa Cruz's Stigmata started life during the United States' cyclocross boom and was present when the gravel segment was yet to become a thing.
I helped to review the third-generation Santa Cruz Stigmata at my previous place of employment and I accused it of being a little vanilla. As a sporty-handling almost road-going gravel bike it certainly rode well, but it was a lot of money for a bike that arguably could have had any name on its down tube. It certainly didn’t feel like something to carry the name of a specialist mountain bike brand.
A year ago the fourth generation Stigmata came to be, and by contrast, it was all too clearly a Santa Cruz. Similar to a few other gravel bikes from other mountain bike names, it introduced suspension-corrected geometry, lengthened frame reaches for use with a short 70 mm stem, offered a storage hatch in the down tube, and a Universal Derailleur Hanger (UDH) out back. It also went the opposite direction to most new bike marketing, offering increased weight, less stiffness, flappy cables outside of the headset, and not a single claim of aero-watt savings.
I’ve been testing this new model for a few months longer than I needed to, including with a RockShox Rudy suspension fork and the Stigmata rigid fork. It’s now by no means vanilla, and in many ways, it’s a showcase of the features and ride quality that I think most riders should be thinking about in a gravel bike today. Or to ruin a good ending, I think this may just be my new benchmark gravel bike for the type of mixed off-road rides and simplified bike ownership I seek.
Good stuff: Dialled ride quality, wonderful build construction, progressive geometry that encourages silly terrain, modern tyre clearance, welcoming reach and stack figures, not a single dumb feature that means easy ownership, doesn’t feel fragile.
Bad stuff: Off-road-centric geometry, limited mounting points, average weight, and a premium price tag make this the ideal bike for a more limited group. A mud-collecting shelf behind the bottom bracket. The 10-44T XPLR gearing feels too limited for a bike as capable off-road as this (old spec tested). Bushing sizing issues in XPLR AXS dropper post.
Pricing: Frameset is US$2,700 / AU$4,500. Complete bikes from US$4,000 / AU$6,000. US$7,700 / AU$11,000 as tested.
A refresher on the Stigmata
The Gen-4 Stigmata is quite the departure from the Stigmatas before it and nothing tells that story quite as effectively as the now-progressive geometry.
Across the six frame sizes, the reach figures have grown by a whopping 30 mm and are optimised for use with a short 70 mm stem length. Head tube angles are slackened by a whole 2 º to hit a consistent 69.5 ° (producing a long 87 mm trail figure). Together, these design decisions place the front wheel further out in front for stability and to remove concerns over toe overlap. It’s worth noting that Santa Cruz isn’t breaking new ground with these numbers, and rather they feel closely inspired by the original BMC URS (another off-road-centric gravel bike I rated highly back at the Old Place).
| XS | S | M | L | XL | XXL | |
| Reach | 375 | 390 | 405 | 420 | 435 | 450 |
| Stack | 550 | 564 | 576 | 600 | 612 | 631 |
| Head Tube Angle | 69.5° | 69.5° | 69.5° | 69.5° | 69.5° | 69.5° |
| Seat Tube Length | 450 | 455 | 485 | 515 | 545 | 575 |
| Front Center | 605 | 625 | 645 | 668 | 688 | 710 |
| BB Drop | 78 | 78 | 76 | 76 | 74 | 74 |
| Wheelbase | 1023 | 1043 | 1063 | 1087 | 1108 | 1130 |
| Rear Center | 423 | 423 | 423 | 423 | 423 | 423 |
| Head Tube Length | 90 | 105 | 120 | 145 | 160 | 180 |
| Top Tube Length | 533 | 552 | 570 | 592 | 610 | 631 |
| Seat Tube Angle | 74° | 74° | 74° | 74° | 74° | 74° |
Similarly, tyre sizes in gravel continue to grow, with the recent Unbound 200 seeing riders fitting the maximum tyre their bikes could handle. Here, the Stigmata’s geometry is optimised around the use of a 700 x 45 mm tyre and as a result, says farewell to official compatability with smaller 650B wheels (a decision I’m happy with).
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