2021 Crux
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When we set out to design a new 'cross rig, we didn't just want to make another adventure…
Product Details
When we set out to design a new 'cross rig, we didn't just want to make another adventure bike with added tire clearance—we knew we had to create a purebred racing steed that was fast, confident, lightweight, and rides like no other 'cross bike out there. And sure, with multiple Cyclocross World Championships to its name, the Crux has more than proven itself in 'cross, but we're proud to say that this Crux takes the legacy to a whole different level.
This Crux comes spec'd with a reliable SRAM Apex 1 hydraulic disc groupset, durable Axis Elite Disc wheels, and 700x33mm Tracer Sport tires that hookup over nasty terrain.
- Starting with the frame, we implemented our Rider-First Engineered™ technology that was first introduced on our Tarmacs. Using size-specific tubes and layups, this technology allows the Crux to feature the same ride characteristics across every size in the range. Not only this, but it also allowed us to significantly drop the frame weight, so the Crux now comes in around a scant 900 grams for a 56cm (*dependent on frame size and color)—over 400 grams lighter than the previous frameset. A light and stiff frame, alone, isn't useful in a 'cross race if it isn't compliant, however, which is why the new Crux also combines stiffness and compliance in all the right places. And to assist with the latter, we lowered the seat collar by two centimeters for more exposed seatpost and cushion for big hits.
- We also know that cyclocross races are often won in the corners and over the barriers, which is why the Crux geometry takes this into account. The top tube has been designed for easy shouldering when you're hopping off to clear barriers, as it features a large opening to the front triangle and a flat bottom. For stability in the corners and on off-camber sections, the geometry has a low bottom bracket and a sharp front-end. This combination also helps to initiate corners, regardless of the terrain.
- With maximum mud-shedding ability in mind, we included eight millimeters of clearance on all sides of a 33mm tire, providing plenty of clearance for muddy conditions. After all, frame weight becomes irrelevant when it's covered in 10 pounds of mud.
Technical Specifications
BRAKES
Rear Brake
SRAM Rival 1, hydraulic disc
Front Brake
SRAM Rival 1, hydraulic disc
WHEELS & TIRES
Front Wheel
Axis Elite Disc
Rear Wheel
Axis Elite Disc
Front Tire
Tracer Sport, 700x33mm
Inner Tubes
Presta valve, 48mm
Rear Tire
Tracer Sport, 700x33mm
DRIVETRAIN
Shift Levers
SRAM Apex 1x HRD
Rear Derailleur
SRAM Apex 1, long cage, 11-speed
Cassette
Sunrace, 11-speed, 11-36t
Crankset
Praxis Alba M30, 1x direct-mount
Chainrings
40T
Bottom Bracket
Praxis 6806 bearings
Chain
KMC X11 Extra Lightweight, 11-speed
COCKPIT
Handlebars
Specialized Shallow Drop, 6061, 70x125mm, 31.8mm clamp
Saddle
Body Geometry Power Sport, steel rails
Stem
Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
Tape
Specialized CX Pro Gel
SeatPost
Specialized Alloy, Single Bolt, 27.2mm
Seat Binder
Included w/ frame
FRAMESET
Frame
FACT 11r carbon, Rider-First Engineered™, OSBB, 1-3/8" lower bearing, 12x142mm thru-axle, flat-mount disc
Suspension
Fork
S-Works FACT carbon, 12x100mm thru-axle
* Weights based on production painted frames as pictured. Actual weights will vary based on colourway, frame size, and component variation. Specifications are subject to change without notice.
Geometry
| 46 | 49 | 52 | 54 | 56.0 | 58.0 | 61.0 | |
|---|---|---|---|---|---|---|---|
| Crank Length | 165mm | 165mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm |
| Saddle Width | 155mm | 155mm | 155mm | 143mm | 143mm | 143mm | 143mm |
| Seatpost Length | 350mm | 350mm | 350mm | 350mm | 350mm | 350mm | 350mm |
| Handlebar Width | 360mm | 380mm | 400mm | 420mm | 420mm | 440mm | 440mm |
| Stem Length | 70mm | 80mm | 90mm | 100mm | 100mm | 110mm | 110mm |
| Stack | 523mm | 540mm | 554mm | 566mm | 582mm | 597mm | 618mm |
| Reach | 366mm | 369mm | 375mm | 382mm | 388mm | 395mm | 402mm |
| Head Tube Length | 100mm | 115mm | 125mm | 140mm | 155mm | 170mm | 190mm |
| Head Tube Angle | 69.5° | 70.5° | 71.5° | 71.5° | 72° | 72.5° | 73° |
| BB Height | 281.5mm | 281.5mm | 281.5mm | 283.5mm | 283.5mm | 285.5mm | 285.5mm |
| BB Drop | 71mm | 71mm | 71mm | 69mm | 69mm | 67mm | 67mm |
| Trail | 78mm | 72mm | 65mm | 65mm | 62mm | 59mm | 55mm |
| Fork Length, Full | 400mm | 400mm | 400mm | 400mm | 400mm | 400mm | 400mm |
| Fork Rake/Offset | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
| Front Center | 592mm | 592mm | 593mm | 605mm | 611mm | 618mm | 627mm |
| Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
| Wheelbase | 1007mm | 1007mm | 1008mm | 1020mm | 1026mm | 1034mm | 1043mm |
| Top Tube Length, Horizontal | 501mm | 509mm | 534mm | 550mm | 563mm | 578mm | 597mm |
| Bike Standover Height | 763.5mm | 781.5mm | 794.5mm | 808.5mm | 824.5mm | 840.5mm | 861.5mm |
| Seat Tube Length | 470mm | 490mm | 510mm | 530mm | 550mm | 570mm | 600mm |
| Seat Tube Angle | 75.5° | 75.5° | 74° | 73.5° | 73.25° | 73° | 72.5° |
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