The Patented 2015 Bushnell Retro eccentric:
Same advanced design, easy to use, and economical.
- Weight – 224 grams
- Construction materials – aluminum and stainless steel
- Diameter of part – 2.118 inches (53.78mm)
- Fits BB shells from 53.8 ~ 54mm I.D. without shim
- Fits BB shells up to 57mm with available shim
- Manufactured in the U.S.A.
- Fits just about any bike that uses an E.B.B.
- Online instructional PDF (446k)
- Frequently Asked Questions
- International Shipping FAQ