shipping country:
  • Premium Shipping with DHL
  • 100 days return policy

77DESIGNZ Chainguide Oval Guide ISCG 05-38

Item number:
Product weight:
25 g

54,95 €
MSRP: 54,95 €

including 19% VAT. , excl. Shipping costs / shipping time info

1 week

Product details


77DESIGNZ chain guide Oval Guide ISCG 05-38

The light chain guide for oval chainrings with a weight of only 26 grams. It attaches to your ISCG 05 mount in no time and holds the chain in place in every position of the oval chainring. Developed in Germany in collaboration with absoluteBlack, the Oval Guide from 77designz is probably the lightest, fully adjustable chain guide in the world. In the revised version, the guide is suitable for chainrings up to 38 teeth / round and 36 teeth / oval. Thanks to the individually adjustable chain line , the chain guide is suitable for standard and BOOST frames.

77designz benefits from years of experience in frame construction and today develops lightweight bike parts for mountain bikes such as single chain guides, crashplates, stems and the legendary bottle opener. The creative head and founder of 77designz is Giacomo Großehagenbrock. He is not only responsible for the design of all products, but also brings ideas for new concepts. In addition to the experience from his previous job as a precision mechanic, he also graduated as a graphic designer. His creative madness and his technical sobriety are of great advantage for the development of 77designz and always lead to highly innovative products. Stefan is a mechanical engineer, he is responsible for the construction work, the technical documentation of the components and industrial customers such as He communicates with production partners and drives the further development of already existing parts.

Technical specifications:

Material: aluminum
Assembly: ISCG 05
Required tools: Torx 25 keys
Capacity: 28-38T round, 26-36 oval
adjustable chain line : 48 mm - 53 mm
Compatibility: 1x cranks (1x10, 1x11 or 1x12)
Compatibility chainrings: round and oval
Color: Black

Weight according to the manufacturer: not specified
Weight weighed: 26g

Scope of delivery:
1x 77DESIGNZ chain guide Oval Guide ISCG 05-38
2x M6x11 Torx T25 Hollow Bolts
1x chainline spacer set

- Not compatible with Bionicon and Garbaruk Direct Mount Oval chainrings in sizes 30T / 28T / 26T due to the too narrow chain line .
- Only works with 1x10 drives if you use a friction-damped rear derailleur and a N / W chainring.
- For use with the crash plates you also need the connector.