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Chain guide Freesolo S3 / E-Type

SRAM 03 + Shimano E-Type, 26-34T Round, 48-53mm Chain line, black
Producer: 77Designz , Producer product No.: FS-S3-ET-V2
Stock: Stock
This product can not be purchased.


The lightweight 1x Chain Guide for Oval Chain Rings is amazing; It weighs only 17g, mounts in no time on to S3 or E Type and keeps the chain safely in place in any position of the Oval Chainring. Developed in Germany in cooperation with absoluteBlack is the OVAL GUIDE ™ from 77designz probably the lightest fully adjustable chain guide in the world.

Technical specifications

Weight: 17g (incl. mounting hardware)

Mount: S3/E-TYPE
Capacity: 24-36T Round 26-34 Oval
Chainline: 48-53mm

Chainline Boost: 51-55 mm

Compatibility: 1x10, 1x11 or 1x12 drivetrain

Backplate: AL 7075 T6 Black Anodized

Slider: PA66 GF 10 (Front Flip Technology)

Hardware: Torx 25 Titanium Screws

Color: Black

Included: Chainline Spacer Set / 2x M5x10 Torx 25 Ti Bolt


  • Install without crank removal
  • Torx 25 only single tool installation
  • Boost compatible
  • Titanium Torx 25 hardware
  • Incredible Light
  • Front Flip Technologie for tool free service
  • Open cage for better mud release

Which Chainguide fits my bike?

Use the 77Designz FRAME FIT form to find the right chainguide for your bike.


  • Not compatible with Bionicon and Garbaruk direct mount oval rings 30T / 28T / 26T due to smaller Chain Line
  • The FREESOLO works only with 1*10 drives if you have an clutch rear derailleur and an narrow / wide chain ring