DMR Sect Crankset - 170mm - Silver
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eBayDMR Sect MTB Crankset - Lightweight Forged Alloy, 170mm Crank Arm Length, Silver
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DMR Sect MTB Crankset - Lightweight Forged Alloy, 165mm Crank Arm Length, SilverFree delivery in 1–3 days£74.99Visit shop →
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DMR Bikes Sect Crankset 170mm Silver Mountain Bike CranksFree delivery in 1–3 days£77.99Visit shop →
DMR Sect Crankset - Silver165mmFree delivery in 1–3 days£74.99Visit shop →
Product Information
Full details
The DMR Sect Crankset is designed for mountain bike riders who demand a durable, high-performance drivetrain for trail, enduro, and dirt jump applications. By utilizing forged 6061-T6 aluminum arms and a heat-treated chromoly spindle, it offers an excellent strength-to-weight ratio for aggressive riding styles. While this two-piece system is highly versatile due to its adjustable chain line, users should be aware that it requires a specific SRAM Direct Mount-compatible chainring setup to complete the installation.
All features
| Model Part Number | DMR-CR-002-002 |
|---|---|
| Brand | DMR |
Extended Product Information
FAQs
What bottom bracket standard does this crankset use?
It is compatible with standard 24mm external bearing bottom brackets.
Does this crankset include a chainring?
No, the DMR Sect Crankset requires a separate SRAM Direct Mount 3-bolt chainring.
Can I use this on a Boost-spaced frame?
Yes, the included spacer kit allows for compatibility with both Boost 52mm and Standard 49mm chain lines.
What is the weight of the DMR Sect Crankset?
The crankset weighs approximately 675g.
Are the crank arms left and right side specific?
Yes, they are designed as a two-piece system with a dedicated drive-side arm featuring the spindle and a non-drive-side arm.
Troubleshooting
Creaking sound coming from the crank area
Remove the crankset, clean the spindle splines and bottom bracket interface, apply fresh grease, and re-torque the arm bolts to specification.
Crankset feels loose or develops side-to-side play
Verify that the crank arm bolts are tightened correctly and ensure the correct number of bottom bracket spacers are installed to match your frame width.
Pros and Cons
Pros
- High strength-to-weight ratio for aggressive riding
- Easy chainring maintenance with 3-bolt interface
- Highly compatible with both Boost and Standard frame geometries
- Excellent stiffness provided by the 24mm heat-treated spindle
Cons
- Requires purchase of separate SRAM Direct Mount chainring
- Requires specific tools for bottom bracket installation
- Limited to 24mm spindle bottom bracket standards
Setup, Compatibility & Care
Installation requires a standard 24mm external bearing bottom bracket, such as those used by Shimano Hollowtech II or similar systems. Ensure that the correct spacers are installed according to your frame's bottom bracket shell width (typically 68mm or 73mm) and your desired chain line (Boost or Standard). When installing the crank arms, apply a light coat of grease to the spindle splines to prevent seizing. Periodic maintenance involves checking the crank arm bolts for tightness, especially after the first few rides, and wiping down the arms with a damp cloth to maintain the integrity of the anodized finish. Avoid high-pressure water washing, which can force contaminants into the bottom bracket bearings.