BUCKLOS 12-Speed MTB Chainring Shimano M6100 M7100 M8100 M9100

BUCKLOS 12-Speed Narrow Wide MTB Chainring – Direct Mount, T6 Aluminum Alloy

Upgrade your mountain bike's drivetrain with the BUCKLOS 12-Speed Narrow Wide Chainring, precision-engineered for Shimano 12-speed groupsets including M6100, M7100, M8100, and M9100. Made from ultra-light CNC-machined T6 aluminum alloy, this direct-mount chainring delivers exceptional strength, a polished finish, and significant weight savings over the stock Shimano chainring — all at an unbeatable price.

Made in Mainland China.

Key Features

• Premium T6 Aluminum Alloy Construction: CNC-machined from aircraft-grade T6 aluminum for superior durability, minimal flex, and long-lasting performance — effectively reducing wear and deformation during aggressive riding.
• Narrow-Wide Tooth Profile: The alternating narrow-wide tooth design securely grips the chain, reducing the chance of chain drop and ensuring smoother, more consistent power transfer on technical terrain.
• Significant Weight Savings: Weighs just 67g–90g (±5g depending on size), compared to the stock Shimano chainring at approximately 140g — a massive reduction that helps lighten your overall build.
• Electroplated & Polished Finish: The premium surface treatment resists scratches and adds a sleek, eye-catching aesthetic to your drivetrain.
• Direct Mount Compatibility: Designed specifically for Shimano 12-speed direct-mount systems — fits M6100 (new), M7100, M8100, and M9100 groupsets. Please confirm your model before purchasing.
• Available Sizes: 32T and 38T options to suit your preferred gear range and riding style.

Specifications

Why Choose BUCKLOS?

BUCKLOS is a trusted cycling components brand with a proven track record, having served over 1,000,000 riders worldwide. Whether you're shredding singletrack or grinding climbs, BUCKLOS delivers performance parts at prices that won't hold you back. This chainring also makes a fantastic gift for any mountain bike enthusiast.

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Frequently Asked Questions

Q: Which Shimano groupsets is this BUCKLOS chainring compatible with?

A: This BUCKLOS 12-speed chainring is compatible with Shimano 12-speed direct-mount groupsets, specifically M6100 (new version), M7100, M8100, and M9100. Please verify your groupset model before purchasing to ensure a perfect fit.

Q: What tooth sizes are available for the BUCKLOS MTB chainring?

A: The BUCKLOS 12-speed MTB chainring is available in 32T and 38T options, allowing you to choose the ideal gear ratio for your riding style — whether you prefer faster spinning on flatter trails or more torque on steep climbs.

Q: How much lighter is the BUCKLOS chainring compared to the stock Shimano chainring?

A: The BUCKLOS T6 aluminum chainring weighs approximately 67g–90g (±5g depending on size), while the original Shimano chainring weighs around 140g. This means you can save up to 70g or more — a meaningful weight reduction for performance-focused mountain bikers.

Q: Does the narrow-wide tooth design really help prevent chain drop?

A: Yes. The alternating narrow-wide tooth profile is specifically designed to hold the chain more securely in place by matching the inner and outer link widths of the chain. This dramatically reduces chain slap and unintended drops, especially on rough or technical terrain.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.