Overview
The Ibis HD6 is Ibis’s flagship enduro machine—a capable, composed platform with 180mm of front and 165mm of rear travel. Designed specifically for mullet configuration (29″ front, 27.5″ rear), the HD6 combines the stable rolling of a 29″ wheel with the snappy turning of 27.5″. Available in five sizes (SM-XL with extra XM), the HD6 delivers exceptional precision fit and proven DW-Link efficiency.
Geometry Table
| Measurement | SM | MD | XM | LG | XL |
|---|---|---|---|---|---|
| Seat Tube Length (mm) | 400 | 400 | 406 | 450 | 470 |
| Top Tube Length (mm) | 585 | 610 | 630 | 655 | 685 |
| Head Tube Length (mm) | 81 | 86 | 91 | 100 | 115 |
| Chainstay (mm) | 435 | 435 | 435 | 435 | 435 |
| Seat Tube Angle | 76° | 76° | 76.5° | 77° | 77.5° |
| Head Tube Angle | 64° | 64° | 64° | 64° | 64° |
| Wheelbase (mm) | 1202 | 1228 | 1256 | 1288 | 1328 |
| BB Height (mm) | 345 | 345 | 345 | 345 | 345 |
| BB Drop (mm) | 30 | 30 | 30 | 30 | 30 |
| Stack (mm) | 621 | 625 | 630 | 638 | 651 |
| Reach (mm) | 430 | 454 | 480 | 508 | 541 |
| Standover (mm) | 725 | 735 | 752 | 765 | 769 |
| Trail (mm) | 136 | 136 | 136 | 136 | 136 |
| Fork Offset (mm) | 44 | 44 | 44 | 44 | 44 |
Geometry Diagram
Detailed geometry specifications from manufacturer data. Contact the manufacturer for complete, size-specific measurements or visit their official website.
Key Specs
Frame: Aluminum/Carbon, 165mm rear travel, mullet-optimized (29/27.5). Fork: RockShox Zeb Ultimate, 180mm (29″ wheel). Shock: RockShox Super Deluxe Ultimate. Drivetrain: SRAM XX1 Eagle AXS 12-speed. Brakes: SRAM Code Ultimate, 220mm/200mm. Weight: ~15-16kg depending on build. DW-Link suspension with excellent anti-squat and traction management.
Ride Characteristics
The HD6 feels composed and capable. The mullet setup provides excellent balance—the 29″ front rolls over obstacles smoothly while the 27.5″ rear encourages snappy turn-in. The 64° head angle is slack and stable. The 180mm fork and 165mm rear ensure you have enough travel for aggressive terrain without feeling wallowy. DW-Link suspension provides excellent feedback and responsive handling. Climbs are efficient thanks to the steep seat tube angle.
Comparable Models
The Ibis HD6 2025 competes with: Pivot Trail 429, Specialized Enduro EVO, Trek Slash 9.9, Santa Cruz Megatower, Evil Wreckoning.
Frequently Asked Questions
Why did Ibis choose mullet for the HD6?
Mullet offers the best of both worlds: the stable rolling and traction of a 29″ front paired with the nimbleness and quick handling of a 27.5″ rear. Many riders find this combination superior for enduro terrain.
Can I run full 29″ or 27.5″ on the HD6?
The HD6 is designed for mullet. While technically you might fit other wheel sizes, the geometry is optimized for the 29/27.5 combination.
What is the reach progression on the HD6?
Reach ranges from 430mm (SM) to 541mm (XL), with the extra XM size at 480mm for precision fit.
How much fork and rear travel does the HD6 have?
The HD6 features 180mm of fork travel and 165mm of rear travel—a genuinely capable enduro package.
Is the HD6 available in both aluminum and carbon?
Yes. Both materials are offered. Carbon is lighter; aluminum provides durability and value.
Related Geometry
More Ibis geometry: Ibis Ripmo V3 2025 Geometry.
Compare enduro bikes: 2023 Giant Reign Geometry, 2023 Giant Reign SX Geometry, 2023 Norco Range Geometry.