77designz FREESOLO™-ISCG-38

The FREESOLO V2 Chain Guide by 77designz is a lightweight, fully adjustable chain guide suitable for Cross Country, Enduro, and Downhill riding. Engineered with convenience in mind, this chain guide can be installed without removing the crank, using only a Torx 25 tool. With an adjustment range for chainrings from 28-38 teeth, the FREESOLO V2 incorporates Front Flip Technology, allowing tool-free chain removal and easy crank access for maintenance—ideal for those looking for both versatility and ease of use.

Features

• Easy Installation: Can be mounted without crank removal; requires only a Torx 25 tool.
• Boost Compatible: Adjustable chainline from 48-53 mm, designed for Boost setups.
• Ultra-Lightweight: Among the lightest chain guides available, weighing only 22 grams with hardware.
• Front Flip Technology: Enables tool-free chain removal and easy crank access for quick maintenance on the trail.
• Open Cage Design: Provides efficient mud shedding, keeping the chain and guide clean.
• Clear Adjustment Scale: CNC-milled scale simplifies setup, helping you adjust accurately for different chainring sizes.

Specifications

• Mount: ISCG 05
• Capacity: Compatible with 28-38T round chainrings
• Chainline: Adjustable from 48-53 mm (Boost Ready)
• Drivetrain Compatibility: 1x10, 1x11, and 1x12 setups with a clutch rear derailleur and narrow-wide chainring
• Materials:
  • Backplate: AL 7075 T6, anodized black
  • Slider: PA66 GF 10, equipped with Front Flip Technology
• Hardware: Includes Torx 25 hollow bolts
• Weight: 22 grams (including mounting hardware)

Scope of Delivery

• 1 x FREESOLO V2 Chain Guide
• 1 x Chainline Spacer Set
• 2 x M6x11 Hollow Bolts
• 1 x 77designz Sticker

Installation with Crash Plate

• To install the FREESOLO V2 with a Crash Plate, a Connector is required for compatibility.

Important Compatibility Notes

• Chainring Compatibility: Not compatible with Bionicon and Garbaruk non-boost chainrings in sizes 30T, 28T, and 26T due to smaller chainline requirements.
• Propain Models: On the Propain Tyee (2020) and Hugene (2021), the upper fastening screw may contact the frame. A shorter screw is recommended to prevent frame damage.

The FREESOLO V2 offers high-performance chain retention, easy maintenance, and is built to handle a wide range of riding styles, making it a top choice for serious riders seeking durability and flexibility.