Speed up device for bicycle

Details Speed up device for bicycle Speed up device for bicycle

1979-02-09

1981-10-27

Pekar, John A.

Land vehicles

Wheeled

Occupant propelled type

301 37SA, B62M 110

Patent

active

042969395

ABSTRACT:
A speed up device for insertion between the spokes of bicycle wheels formed by bonding two plate members together so that the top and front portions of the device will have a narrow edge while the bottom and rear portions of the device diverge outwardly as compared to said top and front portions.

REFERENCES:
patent: 3579408 (1971-05-01), Dowhan

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