OVAL GUIDE™-ISCG05-38

The OVAL GUIDE - ISCG05-38 by 77designz is a lightweight, fully adjustable chain guide tailored for oval and round chainrings. Known for its ease of installation and minimal weight, this guide offers superior chain security without crank removal. Designed with Front Flip Technology, it enables quick, tool-free access to the chain, making it highly practical for both maintenance and on-trail adjustments.

Features

• Quick Installation: No need to remove the crank, making setup fast and simple.
• Single-Tool Adjustment: Torx 25 tool compatibility streamlines the installation process.
• Boost Compatible: Suitable for Boost setups with chainline adjustment from 48–53 mm.
• Front Flip Technology: Allows easy, tool-free access to the chain and fast crank removal.
• Open Cage Design: Enhances mud shedding for a cleaner and more efficient setup.
• Made in Germany: High-quality manufacturing with precision engineering.

Specifications

• Mount: ISCG 05
• Capacity: Fits 26-36T oval or 24-38T round chainrings
• Chainline: Adjustable from 48 to 53 mm (Boost Ready)
• Compatibility: Works with 1x10, 1x11, and 1x12 drivetrains
• Backplate Material: Anodized AL 7075 T6
• Slider Material: PA66 GF 10 (integrated with Front Flip Technology)
• Hardware: Includes Torx 25 hollow bolts
• Weight: 23.1 grams (with mounting hardware)

Scope of Delivery

• 1 x Chainline Spacer Set
• 2 x M6x11 Hollow Bolts
• 1 x 77designz Sticker

Important Compatibility Note

• Incompatible: Not compatible with Bionicon and Garbaruk non-boost chainrings in sizes 26T, 28T, and 30T due to smaller chainline dimensions.

This chain guide provides dependable performance for those who ride with oval chainrings, offering stability, ease of maintenance, and durability across a range of challenging terrains.