Gear Ratios
2016-04-18
Sturmey Archer S-RF3 parts diagram
The Brompton BSR (standard ratio 3 speed hub) is essentially a relabelled Sturmey Archer S-RF3. The only differences are the washer and axle nuts used to bump the lock nut distance from 109mm to Brompton's 111mm. All the internal parts are identical.
Download： PART LIST - AW SRF3.pdf
