Knowledge Base Running with injury Bionic Runner Quick Release Mechanism

Knowledge Base

Bionic Runner Quick Release Mechanism

The BR comes with a 44 tooth front cog and 23 tooth back cog. The link below explains the options for the rear cog. There is an option of a 25 tooth cog included. Some people in hilly areas have also changed the front sprocket to a 40 tooth. The people with both are in hilly areas and don't have an issue climbing.


or Glenn has collated the posts on this

Tube on assembly
Let the air out of it,
ensure the tire is sitting on the rim correctly
inflate to 20 psi,
inflate to 40 psi check the tire,
inflate to 60 psi check
and then inflate to between 70 and 85psi

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