SRAM Eagle Lunar/Polar Grey Chainring
Eagle Lunar/Polar Grey Chainring
Eagle Lunar/Polar Grey Chainring
Eagle Lunar/Polar Grey Chainring
Eagle Lunar/Polar Grey Chainring
SRAM

SRAM Eagle Lunar/Polar Grey Chainring

$120.00
In Stock

Lightweight SRAM Eagle direct-mount chainring in Lunar/Polar Grey — 30T, X-Sync 2 narrow-wide profile for 11/12-speed drivetrains. CNC aluminum construction and offset options (-4mm/6mm) to tune chainline and clearance.

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Available Options

Option Price Availability
SRAM, Eagle, Chainring, Teeth: 30, Speed: 11/12, BCD: Direct Mount, Aluminum, Grey, 6mm $120.00 In Stock
SRAM, Eagle, Chainring, Teeth: 34, Speed: 11/12, BCD: Direct Mount, Aluminum, Lunar/Polar Grey, 6mm $120.00 In Stock
SRAM, Eagle, Chainring, Teeth: 30, Speed: 11/12, BCD: Direct Mount, Aluminum, Grey, -4mm $120.00 Out of Stock
SRAM, Eagle, Chainring, Teeth: 32, Speed: 11/12, BCD: Direct Mount, Aluminum, Lunar/Polar Grey, 6mm $120.00 Out of Stock
SRAM, Eagle, Chainring, Teeth: 36, Speed: 11/12, BCD: Direct Mount, Aluminum, Lunar/Polar Grey, 6mm $120.00 Out of Stock
SRAM, Eagle, Chainring, Teeth: 30, Speed: 11/12, BCD: Direct Mount, Aluminum, Grey, 3mm $120.00 Out of Stock

Product Details

Overview & Technology

SRAM's Eagle Lunar/Polar Grey chainring brings the proven X-Sync 2 narrow-wide tooth profile to a precision CNC aluminum direct-mount platform. Designed for 11- and 12-speed Eagle drivetrains, this chainring prioritizes lightweight durability, crisp shifting and bulletproof chain retention across rough trail conditions. Construction and finish: machined aluminum with a Lunar/Polar Grey anodized finish resists abrasion and looks clean on modern mountain bikes. The direct-mount 3-bolt interface reduces weight and simplifies installation compared with traditional BCD systems, while available offsets (-4mm and 6mm) let you dial chainline for Boost/non-Boost frames and different crank standards.

Key Features & Benefits

X-Sync 2 Narrow-Wide Teeth: alternating narrow and wide teeth lock the chain onto the ring under impact and high cadence, dramatically reducing drops and improving pedaling efficiency. Works reliably with 11- and 12-speed Eagle chains. Precision CNC Aluminum: lightweight and stiff for quick power transfer; the anodized Lunar/Polar Grey finish offers corrosion resistance and lasting good looks. Direct-mount design trims weight and removes the need for a separate spider-mounted ring.

Fit, Compatibility & Installation

The ring is a SRAM direct-mount 3-bolt design compatible with SRAM cranksets that accept SRAM 3-bolt direct-mount chainrings. Confirm your crank accepts SRAM's direct-mount interface before purchase. Available offsets — commonly -4mm and 6mm — let you adjust chainline: -4mm moves the ring inboard for narrower chainlines, while 6mm shifts it outboard for frames that need extra clearance. Available tooth counts (30, 32, 34, 36) cover aggressive trail to relaxed climbing setups. The 30T option shown here is ideal for technical trail and all-mountain use where low gearing and responsive handling are priorities. Installation is straightforward with common hex tools; torque to SRAM's spec and check chainline after fitting.

Who It's For

This chainring targets mountain riders who want a reliable, lightweight direct-mount ring that improves chain retention on rough singletrack. If you run an 11- or 12-speed SRAM Eagle drivetrain and want the look and protection of a Lunar/Polar Grey anodized finish, this ring is a great upgrade. Choose the 30T -4mm option if you prefer lower gearing for steep, technical climbs or tighter frame clearance. Riders on Boost or wide-chainline frames may prefer the 6mm offset or larger tooth counts for higher top-end gearing.

Key Features

  • ✓ X-Sync 2 narrow-wide tooth profile for superior chain retention
  • ✓ CNC-machined aluminum construction — lightweight and stiff
  • ✓ Direct Mount 3-bolt interface eliminates separate spider ring
  • ✓ Available offsets (-4mm, 6mm) to fine-tune chainline and clearance
  • ✓ Compatible with 11- and 12-speed SRAM Eagle drivetrains
  • ✓ Lunar/Polar Grey anodized finish resists wear and corrosion
  • ✓ Multiple tooth counts (30–36T) for trail to all-mountain gearing
  • ✓ SRAM Model ID CR-XSNC-DM-C3, Manufacturer Part # 11.6218.047.000

Specifications

Narrow-Wide Design X-Sync 2
BCD Direct Mount SRAM 3 Bolt
Chainring Comp. Offset -4mm
Teeth 30
Material Aluminum
Primary Color Grey
Speed 11/12

Product Identifiers

Vendor Item # 11.6218.047.001
UPC 710845855139

Frequently Asked Questions

Will this ring fit my SRAM crankset?

This is a SRAM direct-mount 3-bolt chainring designed for cranksets that accept SRAM's direct-mount interface. Check your crank documentation or measure your current ring mounting to confirm a 3-bolt direct-mount fit before purchasing. If unsure, contact us with your crank model and we can verify compatibility.

What's the difference between -4mm and 6mm offsets?

Offset changes the ring's lateral position relative to the frame and cassette to optimize chainline. The -4mm option moves the ring inboard for narrower chainlines (useful on some non-Boost frames or to increase tyre clearance), while the 6mm option moves it outboard for wider chainlines (common on Boost frames). Choose the offset that matches your frame/crank specs.

Is this ring compatible with 11- and 12-speed chains?

Yes — the SRAM Eagle chainring is profiled for both 11- and 12-speed Eagle chains. The X-Sync 2 tooth geometry ensures positive engagement and reliable shifting across both speeds.

How durable is the Lunar/Polar Grey finish?

The Lunar/Polar Grey is an anodized surface applied to the CNC-machined aluminum. Anodizing improves scratch resistance and corrosion protection, but like any finish it will show wear over time in high-contact areas. Regular cleaning and avoiding chain-side impacts will prolong the appearance.

Can I use this ring with a chain guide or bash guard?

Yes — many riders pair a direct-mount ring with a frame-mounted chain guide or bash guard. Ensure the chosen guide is compatible with your ring offset and tooth profile; some guides are optimized for narrow-wide rings and may require small adjustments for perfect alignment.

What tools and torque specs are needed for installation?

Installation typically requires common hex/torx tools for your crank's direct-mount bolts. Torque specifications vary by crank manufacturer — follow SRAM's recommended torque for direct-mount hardware (usually found in your crank manual). Always re-check bolt torque after the first few rides.

Buying Guide

When choosing a mountain chainring, consider tooth count, offset, and mounting interface. Tooth count defines your gear range — 30T favors steep climbs and technical trails while 32–36T give higher top speeds. Offset options (for this SRAM ring: −4mm and 6mm) adjust lateral position to match your frame and crank chainline, so pick the offset that aligns the chain with the cassette for smooth shifting and minimal wear. Material and profile matter: CNC-machined aluminum offers a strong, lightweight platform and pairs well with X-Sync 2 narrow-wide teeth to reduce drops without a heavy guide. Confirm your crank accepts SRAM 3-bolt direct-mount rings and that your drivetrain is 11/12-speed compatible before buying.

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