Crux 5 Frameset
71427-7154
This bike is available through the Cycle to Work Scheme
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Book a sizing appointment in our bike fit studio and get the right fit.
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- Questions on size or spec? Call 01625 403803 or visit us at 48a London Road, Alderley Edge
- Sized properly: book a bike fit in our Alderley Edge studio
- Not in the shop? Supplier stock reaches us in 4–5 days, then we post it or it's ready to collect
- 30-day returns (custom builds excluded)
- ★★★★★ 150+ five-star Google reviews
Eat My Dust
The Crux 5 was born from the fastest gravel race bike ever made. Not just because it's the lightest. Not just because it's our most aero. Not just because it handles dirt like a Tarmac handles pavement. But because it delivers the lowest real-world Time to Finish of any gravel bike ever made. Crux 5 turns more of your effort into pure speed—validated for real race courses, real terrain, and real riders. When the goal is the top step, nothing in gravel gets you there faster.
At a Glance
- Use: Gravel Racing
- Frame: FACT 10r Carbon, 897 grams
- Fork: FACT 12r Carbon
- Seatpost: S-Works Tarmac Seatpost
- Bottom Bracket: 68mm BSA Threaded
Technical Specifications
Frameset
- Frame: Crux 5 FACT 10r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc, UDH dropout
Suspension
- Fork: S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc
Cockpit
- Seatpost: S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
- Seat Binder: Integrated Wedge
Frame weight 897 grams. Total frameset weight (frame, fork, headset, seatpost and seat binder as supplied) 1.75 kg (3 lb, 13.7 oz), measured on a size 56. Weight will vary by size and colourway.
Sizes and fit
Available in frame sizes 54 and 56.
Colours
Available in Warm Smoke Metallic/Silver Dust.
Materials and construction
- Frame: Crux 5 FACT 10r Carbon, Rider First Engineered™, threaded BB, 12x142mm thru-axle, flat-mount disc, UDH dropout; frame weight 897 grams
- Fork: S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc
- Seatpost: S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
- Seat binder: integrated wedge
- Bottom bracket: 68mm BSA threaded
- Supplied as frame, fork, headset, seatpost and seat binder; total frameset weight 1.75 kg (3 lb, 13.7 oz) measured on a size 56
| Size | 49cm | 52cm | 54cm | 56cm | 58cm | 61cm |
|---|---|---|---|---|---|---|
| Stack (mm) | 530 | 547 | 560 | 578 | 598 | 621 |
| Reach (mm) | 375 | 382 | 388 | 400 | 412 | 425 |
| Seat tube length (mm) | 445 | 456 | 473 | 497 | 515 | 545 |
| Top tube (effective) (mm) | 512 | 534 | 543 | 566 | 583 | 603 |
| Head tube length (mm) | 95 | 110 | 125 | 142 | 163 | 188 |
| Head tube angle (°) | 70.5 | 70.75 | 71 | 71.5 | 71.5 | 71.5 |
| Seat tube angle (°) | 75.5 | 74.5 | 74.5 | 74 | 74 | 74 |
| Chainstay length (mm) | 425 | 425 | 425 | 425 | 425 | 425 |
| BB drop (mm) | 80 | 80 | 78 | 78 | 78 | 78 |
| BB height (mm) | 278 | 278 | 280 | 280 | 280 | 280 |
| Wheelbase (mm) | 1008 | 1016 | 1026 | 1039 | 1057 | 1078 |
| Front centre (mm) | 594 | 604 | 613 | 626 | 644 | 665 |
| Fork length (mm) | 401 | 401 | 401 | 401 | 401 | 401 |
| Fork offset (mm) | 51 | 51 | 51 | 51 | 51 | 51 |
| Trail (mm) | 72 | 71 | 69 | 66 | 66 | 66 |
| Standover (mm) | 753 | 766 | 781 | 803 | 823 | 849 |
Same frame geometry across S-Works (FACT 12r) and FACT 10r Crux 5 models.
Free UK shipping available on all orders, excluding bikes, wheelsets and packages over 10kg in weight e.g. turbo trainers.
