tag:blogger.com,1999:blog-4675009870306534763.post6017214772963277314..comments2024-03-17T07:40:55.862-07:00Comments on Dorky Thorpy Blog: Shimano Alfine 11 Hub Gear Review Kermit Greenhttp://www.blogger.com/profile/04017975084516716465noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-4675009870306534763.post-63416540599344084562019-02-18T08:46:01.471-08:002019-02-18T08:46:01.471-08:00Ah well, maths was never my strong point. I think ...Ah well, maths was never my strong point. I think I got the % off the SJS website. <br /><br />I guess we are reduced to discussing bike on our respective blogs now that G+ is shutting down!Kermit Greenhttps://www.blogger.com/profile/04017975084516716465noreply@blogger.comtag:blogger.com,1999:blog-4675009870306534763.post-88383959136428150842018-07-14T01:58:45.314-07:002018-07-14T01:58:45.314-07:00not sure how you got the ratios on the SA 3-speed ...not sure how you got the ratios on the SA 3-speed to be 130%. Usually quoted as 175%.<br />Actual gear ratios are 75%, 100%, and 133% - each gear being a third higher than the last.<br />Overall ratio spread is thus 133/75, which equals 177%.<br />The special Brompton Wide Ratio box is a bit wider again!<br />I have a "classic" 3sp SA hub (only real difference from the modern ones is the "intermediate gear!), which came off my Italian folder when i scrapped that!Pedal Pusherhttps://www.blogger.com/profile/02912765232379572267noreply@blogger.com