Protecting your chainring from rocks, roots, and heel strikes is essential for riders who push hard on rugged trails. This guide highlights five top bash guards designed for ISCG-05 mounts and 26T-36T chainrings, balancing durability, weight, and ease of installation. Each option focuses on off-road reliability, quick trail readiness, and compatibility with common 1X setups. Read on to compare features, materials, and mounting options to find the best bash guard for your mountain bike.
| Product | Brand | Notes |
|---|---|---|
| COGSTER FortiGuard Alloy MTB Bash Guard – Black | COGSTER | ISCG-05, 26T-36T, 6mm 6061 alloy |
| Funn Zippa Lite MTB Bash Guard – 26T-32T | Funn | ISCG-05, AL7075 backplate, replaceable bumper |
| COGSTER FortiGuard Alloy MTB Bash Guard – Red | COGSTER | ISCG-05, 26T-36T, 6mm 6061 alloy |
| COGSTER FortiGuard Alloy MTB Bash Guard – Blue | COGSTER | ISCG-05, 26T-36T, 6mm 6061 alloy |
| CYSKY Alloy MTB Bash Guard | CYSKY | ISCG-05, 22T-40T, 7075-T6 |
COGSTER FortiGuard Alloy MTB Bash Guard – Black

The COGSTER FortiGuard Black bash guard is CNC’d from 6061 aerospace alloy with a 6mm thickness, delivering robust protection without excessive weight. It is designed to fit ISCG-05 mounts and supports 26T to 36T single chainrings, making it suitable for most modern 1X setups on aggressive terrain. The design emphasizes trail readiness, minimizing snag and impact damage on rocks while maintaining a slim profile that clears the chainring and chainstay.
- Tooth Capacity: 26T–36T single chainrings.
- Mounting: ISCG-05 compatible for easy installation.
- Quality: 6061 aerospace alloy, 6mm thick for solid protection.
Funn Zippa Lite MTB Bash Guard – 26T-32T

The Funn Zippa Lite combines a lightweight AL7075 backplate with a replaceable bumper made from durable thermoplastic polymer. It fits ISCG-05 mounts and is optimized for 26T–32T chainrings. The design emphasizes easy installation and long-term durability, reducing the chance of chainring damage on rough descents and rock gardens while keeping weight down for performance riding.
- Tooth Capacity: 26T–32T single chainrings.
- Mounting: ISCG-05 compatible for straightforward setup.
- Quality Production: CNC-machined AL7075 backplate; replaceable bumper.
COGSTER FortiGuard Alloy MTB Bash Guard – Red

The Red variant mirrors the Black version’s robust construction and protection. Crafted from 6061 aerospace alloy with a 6mm thickness, it maintains a strong balance between protection and weight for aggressive trail riding. Its ISCG-05 mounting keeps installation simple and reliable while safeguarding the chainring from impacts and debris on muddy or rocky trails.
- Tooth Capacity: 26T–36T single chainrings.
- Mounting: ISCG-05 compatible.
- Quality Production: 6061 alloy, 6mm thickness, CNC machined.
COGSTER FortiGuard Alloy MTB Bash Guard – Blue

The Blue version offers the same protective benefits as the Black and Red variants, using 6061 alloy and a 6mm plate for rugged protection. It remains ISCG-05 compatible for quick mounting and removal, helping riders adapt to varying trail conditions without adding unnecessary weight to their bike. This color option provides a visual style choice while preserving protective performance.
- Tooth Capacity: 26T–36T single chainrings.
- Mounting: ISCG-05 compatible.
- Quality Production: Precision CNC’d 6061 alloy, 6mm thick.
CYSKY Alloy MTB Bash Guard – 22T-40T

The CYSKY bash guard is built from 7075-T6 aluminum and features a CNC-machined main body with a lightweight yet rugged construction. It accommodates 22T to 40T chainrings, making it versatile for riders using varied 1X configurations. The ISCG-05 mounting standard ensures compatibility with most modern frames, and the design emphasizes easy disassembly and installation for on-trail adjustments.
- Tooth Capacity: 22T–40T single chainrings.
- Mounting: ISCG-05 compatible.
- Quality Production: 7075-T6 aluminum, CNC finished.
Buying Guide: Key Considerations for MTB Bash Guards
When choosing a bash guard, consider the terrain you ride, your chainring size, and your bike’s frame and ISCG compatibility. A higher-strength alloy (6061 or 7075) often offers better impact resistance, though it can add slight weight. A guard with a thick plate (around 6 mm) tends to absorb trail impacts more effectively without bending. If you frequently ride aggressive descents, look for a model with a replaceable bumper to simplify maintenance. Compatibility with ISCG-05 ensures broad frame fit on most modern mountain bikes. Finally, consider color options if you want a coordinated bike appearance while maintaining performance.
- Material strength and weight balance: 6061 vs 7075 alloys, thickness around 6 mm.
- Chainring compatibility: confirm 26T–36T (or 22T–40T in some models) for your setup.
- Mounting standard: ISCG-05 for widespread compatibility; ease of installation and removal.
- Durability features: replaceable bumpers, CNC precision, and protective shields.
- Maintenance and replaceability: bumper or backplate options for parts replacement on the trail.