Descendant Carbon Eagle DUB Crankset - Boost
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Descendant Carbon Eagle DUB Crankset balances stiffness, weight, and enduro-ready strength
What Our Gearhead® Experts Are Saying:
"I swapped out alloy cranks for the Descendant Carbon and instantly felt the stiffness boost. It’s confidence-inspiring on technical climbs and sends, and the DUB setup has stayed quiet through months of muddy rides. It’s light enough for long days, but burly enough to take hits—no flex, no drama."
Whether we're powering through chunky lines or sprinting toward the next descent, the Truvativ Descendant Carbon Eagle DUB Crankset brings the performance and durability we demand. Designed for aggressive trail and enduro riding, it sheds grams without sacrificing stiffness or strength—thanks to a carbon arm construction and DUB spindle interface that improves durability and compatibility across frame standards.
The direct-mount X-Sync 2 chainring offers smoother pedaling and better chain retention across rough terrain, while the Boost-specific spacing ensures an optimized chainline for modern trail bikes. And because it’s built to play nice with any Eagle drivetrain, upgrading is as simple as bolt-on, pedal hard, and rip.
Details
- Lightweight carbon crankset built for enduro and aggressive trail riding
- DUB spindle system improves BB compatibility and sealing
- Compatible with English, PF30, BB30, and other major bottom brackets
- Carbon arms deliver race-ready stiffness and vibration damping
- SRAM X-Sync 2 direct-mount chainring improves chain retention
- Boost spacing offers better chainline for modern trail bikes
- Pairs with any SRAM Eagle 1x drivetrain system
- Ideal for upgrading alloy cranksets without breaking the bank
- Item #TRU001M
- Arm Material
- carbon fiber
- Arm Length
- 165mm, 170mm, 175mm
- Chainring Sizes
- 32t
- Bolt Circle Diameter
- direct-mount
- Rings
- 1
- BB Type
- DUB
- Spindle
- 110mm
- Q Factor
- 170mm
- Chainline
- 49.0mm, 52.0mm, 55.0mm
- Compatible Components
- SRAM DUB bottom brackets, all levels of Eagle drivetrains
- Claimed Weight
- [175mm, 32t] 1lb 3.6oz (555g)
- Activity
- mountain biking
Reviews
Q&A
What do you think about this product?
Overall Rating
5 based on 4 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.View
Selecting an option will reload the available reviews on the pageMay 30, 2021
Excellent performance at a great price
- Familiarity:
- I've used it once or twice and have initial impressions
- Size Bought:
- One Size
- Height:
- 5' 11"
- Weight:
- 185
Great Crankset! They have been an excellent upgrade for my bike.
January 10, 2021
Low key graphics and great performance
- Familiarity:
- I've put it through the wringer
These replaced GX alloy cranks. The ride improvement was noticeable. If you want the great performance of a carbon crank without spending a ton this is the one. Graphics are low key in a good way, the cranks are very good looking. They deliver the stiffness to improve power transfer into the drivetrain, I agree with another reviewer that they have some damping qualities as well. If you are a smaller rider you might not notice the difference between alloy and carbon but for those on the larger side when you get out of saddle and crank the difference is obvious. I will buy these again for a hard tail build I am working on.
Originally reviewed on Competitivecyclist.com
December 29, 2020
Durable, light enough, chatter dampening
- Familiarity:
- I've used it several times
Carbon Descendant crank that's uber-stiff and really does help mute the chatter through your feet and keep them planted. I'm a 32" inseam on a large v3 Bronson and moving to 170mm has helped me spin a higher cadence while climbing. Already have the DUB system, so these with some crank boots was all I needed. Could not be more pleased with this crankset
Originally reviewed on Competitivecyclist.com
November 11, 2020
Crazy stiff, well priced, looks awesome
- Familiarity:
- I've used it several times
Very happy with this crankset. Upgraded from a GX aluminum crankset but didn't want to drop over $400 for a carbon crank. This isn't the lightest crankset, like the XX1 or XO1, but it's not that far off. Going from an aluminum GX crankset with GXP BB to this crankset with the new DUB BB, the weight savings was exactly 100g. (oh and I moved from 175mm to 170mm crank arms at the same time) This crankset looks fantastic, but aesthetics aside, the most noticeable thing for me what the stiffness. It's notably more stiff while pedaling and especially under hard efforts out of the saddle, like downhill sprints. It feels like all of my effort is translated into forward momentum with very little flex. I can't say if this is because of the carbon layup, or perhaps it's the DUB spindle, I don't know. My old GX cranks was a smaller diameter GXP BB version. The bearing pre-load that they put on these is also really great. Simple concept to dial in just the right amount of tension on the bearings for butter smooth operation with zero play. Do note that if you aren't already running a DUB bottom bracket, you will need to get one. They don't cost much and the BB weighed substantially less than my GXP BB. Also note that if you are using a threaded BSA style BB, you will need a different 12-tooth BB tool for the DUB bottom bracket. It's NOT the same tool as the GXP or shimano BB. If you are thinking about a new crankset, throw down. This thing rocks. Oh, and don't forget the crank boots for the ends.
Do you have a question about this product?
January 5, 2022
When will 165mm be available?
Originally reviewed on Competitivecyclist.com
October 10, 2021
Is this crank available in a non boost option? Thanks
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Truvativ Descendant Carbon Eagle crankset reviewBest lightweight crankset for enduro ridingDUB spindle compatibility with SRAM bottom bracketsDurable carbon fiber crank arms for mountain bikingSRAM X-Synch 2 technology benefits for chain retentionIdeal crankset for muddy and sandy conditionsBoost spacing crankset for improved bike performanceEnduro crankset options for male and female riders165mm 170mm 175mm arm lengths available32t chainring size for efficient pedalingMountain bike cranksets with unique design featuresHigh-performance crankset for serious cyclistsLearn more about Descendant Carbon Eagle DUB Crankset - Boost
