TruVativ Descendant 6K Eagle MTB Crankset – DUB Boost 170mm

The SRAM Descendant 6K DUB Crankset is engineered for mountain bikers who demand precision and resilience on every ride. Built around SRAM’s groundbreaking DUB technology, this crankset reimagines power transfer with a simplified spindle design that reduces weight while amplifying stiffness and durability—perfect for tackling steep climbs or aggressive descents without compromise.

Forged from high-grade 6000-series aluminum, its precision-machined crank arms offer unmatched strength-to-weight ratios, ensuring they stay rigid even under intense trail forces. The included X-SYNC 2 direct-mount chainring (32T) combines silent operation with superior mud-shedding capabilities, keeping your drivetrain clean and responsive whether you’re riding in dry conditions or deep mud. Designed specifically for SRAM Eagle systems, this crankset supports seamless integration with 10-, 11-, and 12-speed setups while maintaining flawless chain retention through technical terrain.

With Boost hub compatibility (141/148mm), it’s built to work flawlessly with modern mountain bike frames—ideal for enduro racing or all-day backcountry adventures where precise shifting and reliability are critical. Weighing just 705 grams, its lightweight construction boosts acceleration on climbs without sacrificing power delivery on rough trails.

Key Specifications
– Crank Length: 170mm
– Chainring Size: 32T
– Spindle Interface: SRAM DUB
– Bottom Bracket Included?: No
– Pedal Spindle Size: 9/16″
– Color: Black
– Drivetrain Compatibility: SRAM Eagle (10–12 speed)
– Boost Hub Support: Yes

Why Choose SRAM Descendant Over Competitors?
| Feature | SRAM Descendant 6K DUB | Shimano XTR M9120 | Race Face Next SL |
|———————–|——————————-|—————————-|—————————–|
| Weight (g) | 705 | 835 | 735 |
| Stiffness | Optimized for power transfer | High | Moderate |
| Mud Clearance | X-SYNC 2’s self-cleaning design | Standard | Limited |
| Chain Retention | Direct mount + Eagle-specific | Good | Moderate |
| Boost Hub Support | Full compatibility | Limited | Full compatibility |
| Drivetrain Compatibility| SRAM Eagle systems only | Shimano-specific | Universal |

Ideal for riders prioritizing efficiency and durability over long miles or extreme conditions, this crankset delivers trail-ready performance without requiring additional hardware beyond its sleek black finish. Whether you’re chasing podium finishes or exploring remote trails, the Descendant 6K DUB pairs cutting-edge tech with real-world reliability—making it a standout choice for serious mountain bikers.