RideDNA Open App →

2026 Niner RLT 9 RDO vs 2025 Specialized Crux 4

Bicycle geometry comparison powered by RideDNA

Niner RLT 9 RDO

2026 · Gravel

Size Reach Stack Trail HTA Chainstay BB Drop Wheelbase Front center Max Tire
47cm 362 535 82 70.0 423 75 1000 582 50
50cm 366 555 78 70.5 423 75 1007 588 50
53cm 374 576 75 71.0 423 75 1018 599 50
56cm 384 592 72 71.5 424 70 1030 610 50
59cm 398 613 68 72.0 424 70 1046 625 50
62cm 405 634 65 72.5 424 70 1054 634 50

All measurements in millimeters (mm) and degrees (°).

vs

Specialized Crux 4

2025 · Gravel

Size Reach Stack Trail HTA Chainstay BB Drop Wheelbase Front center Max Tire
49 375 530 71 70.5 419 74 1008 594 47
52 382 547 66 71.3 419 74 1014 600 47
54 389 560 65 71.5 419 72 1023 609 47
56 397 578 62 72.0 419 72 1033 618 47
58 405 598 60 72.3 419 72 1045 630 47
61 415 621 58 72.5 419 72 1059 645 47

All measurements in millimeters (mm) and degrees (°).

Go deeper with RideDNA

RideDNA's AI-powered engine adds Handling Index scoring, parametric geometry adjustments, terrain analysis, and personalized bike fit — beyond what static comparisons can show.

Analyze Bikes in RideDNA →

Related Gravel Bike Comparisons

Bike geometry profiles

Explore RideDNA geometry