SRAM XX1 Eagle DUB
High-performance carbon SRAM XX1 Eagle DUB crankset: ultralight 422g construction, 28.99mm DUB spindle and X-SYNC™2 Direct Mount chainring for quiet, durable single-ring drivetrains.
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Product Details
Overview & Technology
Key Features
Fit & Compatibility
Who It's For
Key Features
- ✓ Ultra-light carbon crank arms with Carbon Tuned layup for optimized stiffness
- ✓ DUB™ 28.99mm spindle for wide bottom bracket compatibility and bearing durability
- ✓ X-SYNC™2 Direct Mount 3-bolt chainring for quiet, reliable chain retention
- ✓ Boost 52mm chainline tuned for 148mm axle frames and modern MTB geometry
- ✓ Available in 170mm/175mm arm lengths and 30T/34T chainring options
- ✓ Crankset weight around 422g (lightweight for competitive riders)
- ✓ Pedal interface standard 9/16"; BB not included — DUB BB required
- ✓ Finish options: anodized Gold or stealth Black to match your build
Specifications
Product Identifiers
Frequently Asked Questions
Does the XX1 Eagle DUB crankset include a bottom bracket?
No. The crankset does not include a bottom bracket. You must purchase the appropriate SRAM DUB bottom bracket for your frame's BB shell (threaded, PF30, BB30, BBRight, etc.) to complete installation.
What spindle diameter and interface does this crank use?
This crank uses SRAM's DUB interface with a 28.99mm spindle diameter. DUB standard improves bearing life and simplifies compatibility across many SRAM bottom bracket standards.
Can I run this with a 11-speed and 12-speed Eagle drivetrain?
Yes. The XX1 Eagle DUB crankset is designed for both 11- and 12-speed Eagle drivetrains and works with SRAM's Eagle chainrings and cassettes when paired with a compatible derailleur and chain.
Are the chainrings replaceable and what sizes are available?
Yes. The X-SYNC™2 direct mount 3-bolt chainring is replaceable and available in select sizes such as 30T and 34T depending on the variant. Use SRAM-specified Eagle chainrings for optimal performance.
What torque specs and installation tips should I follow?
Always follow SRAM's installation torque specs from the service manual for preload caps and fasteners. Use a torque wrench, apply appropriate anti-seize or grease where specified, and check chainring bolts and crank preload after the first few rides.
Is this crankset suitable for muddy or winter riding?
Yes. The X-SYNC™2 tooth profile is designed for superior mud clearance and retention, and the DUB spindle/bearing arrangement increases durability in adverse conditions. Regular cleaning and inspection will extend service life.
Buying Guide
When selecting a high-end MTB crankset, prioritize compatibility (spindle diameter and bottom bracket standard), desired chainring size for your terrain, and the trade-off between weight and durability. For riders using modern Boost frames and 11/12-speed Eagle drivetrains, choosing a DUB crank like the XX1 ensures broad BB compatibility and top-tier stiffness. Consider arm length relative to your inseam and riding discipline: shorter arms favor cadence and clearance on technical trails while longer arms give more leverage on steep climbs. Remember the bottom bracket is sold separately—match the DUB BB to your frame shell for a smooth, long-lasting setup.
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