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Specialized Crux 10r Frameset (56cm) (Birch/Ion Metallic/Silver Dust/Taupe)

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The Crux is the lightest gravel bike in the world, with the exceptional capability of massive tire clearance and performance gravel geometry. It's not just the ultimate expression of gravel performance, it's your one-way ticket to gravel enlightenment.

Features:
  • Capable: 47c/650b x 2.1” tire clearance. More clearance means more capability. With Diverge-level tire clearance, Crux takes you anywhere you can imagine, at full gas.
  • Lightest: 725g S-Works 12r and 825g 10r frames. We took the revolutionary breakthroughs that made Aethos the lightest bike ever and applied them to the Crux. The result? A gravel bike that climbs like a dream, floats over nightmarish terrain, and weighs less than a full bottle in your cage.
  • Responsive: Nimble, supple, and reactive. Responsive at the pedals. Supple in the saddle. With performance gravel geometry and race-influenced fit inspired by Crux’s iconic history in ‘cross.

This product was added to our catalog on March 14, 2025

Sizing Recommendations for Riders Who Fall Between Sizes:

  • Sizing down will provide a more maneuverable ride while sizing up will provide more stability
Rider Height (Feet)Rider Height (CM)
49cm5'1" - 5'4"155 - 163cm
52cm5'4" - 5'6"163 - 168cm
54cm5'6" - 5'9"168 - 175cm
56cm5'9" - 6'0"175 - 183cm
58cm6'0" - 6'3"183 - 191cm
61cm6'3" - 6'6"191 - 198cm

Note: All sizing recommendations are provided by the manufacturer and may differ for each rider.

Size49cm52cm54cm56cm58cm61cm
Seatpost Length300mm300mm300mm360mm360mm360mm
Stack530mm547mm560mm578mm598mm621mm
Reach375mm382mm388mm397mm405mm415mm
Head Tube Length100mm115mm130mm147mm167mm190mm
Head Tube Angle70.5°71.25°71.5°72°72.25°72.5°
Bottom Bracket Height284mm284mm286mm286mm286mm286mm
Bottom Bracket Drop74mm74mm72mm72mm72mm72mm
Trail74mm69mm67mm64mm62mm60mm
Fork Length, Full401mm401mm401mm401mm401mm401mm
Fork Rake/Offset50mm50mm50mm50mm50mm50mm
Front Center594mm600mm608mm618mm630mm644mm
Chainstay Length425mm425mm425mm425mm425mm425mm
Wheelbase1008mm1014mm1023mm1033mm1045mm1059mm
Top Tube Length (Horizontal)512mm539mm549mm568mm582mm599mm
Bike Standover Height749mm772mm794mm816mm841mm866mm
Seat Tube Length466mm496mm521mm546mm576mm606mm
Seat Tube Angle75.5°74°74°73.5°73.5°73.5°

Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.