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Chain guide Oval Guide ISCG 05

24-36T Round, 26-34T oval, 48-53mm Chain line, black
Producer: 77Designz , Producer product No.: OG-05
Chain guide Oval Guide ISCG 05 V1
CHF 39.00 CHF 69.00 (CHF 69.00 / 69.00)
+ shipping costs


The lightweight 1x Chain Guide for Oval Chain Rings is amazing; It weighs only 23g, mounts in no time on to ISCG 05 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: 23g (incl. mounting hardware)

Mount: ISCG 05 
Capacity: 24-36T Round 26-34 Oval
Chainline: 48-53 mm (Boost Ready)

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 M6x11 Torx 25 Ti Bolt


  • Install without crank removal
  • Torx 25 only single tool installation
  • Designed for Oval and Round Chain Rings
  • Boost compatible
  • Titanium Torx 25 hardware
  • Incredibly Light
  • Front Flip Technologie for tool free service

Which Chainguide fits my bike?

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