Sturmey-Archer Raleigh Brooks to BSA
|
Component / Brand |
Thread type |
Outer diameter |
gears (TPI) |
Special feature |
|
Indicator chains Sturmey-Archer |
1/8" BSW |
3.18 mm |
40 |
Genuine Whitworth / 55° |
|
Fender / small parts (Raleigh) |
3/16" BSF |
4.76 mm |
32 |
Whitworth Fine Thread |
|
Saddle clamp Bolts (Brooks/BSA) |
1/4" BSW |
6.35 mm |
20 |
Genuine Whitworth (55°) |
|
Brake linkage / small parts |
1/4" BSF |
6.35 mm |
26 |
Whitworth fine thread |
|
Stem / seat post (Brooks) |
5/16" BSF |
7.94 mm |
22 |
Whitworth fine thread |
|
Front axle (Raleigh/BSA) |
5/16" FG |
7.94 mm |
26 |
bicycle thread (60°) |
|
Rear axle (standard) |
3/8" FG |
9.53 mm |
26 |
bicycle thread (60°) |
|
Gear hub axle (Sturmey Archer) |
13/32" FG |
10.32 mm |
26 |
special dimension (SA only) |
|
Fork shaft / tax rate (Raleigh) |
1" FG |
25.40 mm |
24 / 26* |
*Raleigh often 26 TPI! |
|
Bottom bracket (BSA) |
1.37" FG |
34.80 mm |
24 |
Standard BSA (60°) |
|
Bottom bracket (Raleigh) |
1 3/8" FG |
34.92 mm |
26 |
Raleigh special size |
|
Component / Brand |
Thread type |
Outer diameter |
gears (TPI) |
Special feature |
|
Indicator chains Sturmey-Archer |
1/8" BSW |
3.18 mm |
40 |
Genuine Whitworth / 55° |
|
Fender / small parts (Raleigh) |
3/16" BSF |
4.76 mm |
32 |
Whitworth Fine Thread |
|
Saddle clamp Bolts (Brooks/BSA) |
1/4" BSW |
6.35 mm |
20 |
Genuine Whitworth (55°) |
|
Brake linkage / small parts |
1/4" BSF |
6.35 mm |
26 |
Whitworth fine thread |
|
Stem / seat post (Brooks) |
5/16" BSF |
7.94 mm |
22 |
Whitworth fine thread |
|
Front axle (Raleigh/BSA) |
5/16" FG |
7.94 mm |
26 |
bicycle thread (60°) |
|
Rear axle (standard) |
3/8" FG |
9.53 mm |
26 |
bicycle thread (60°) |
|
Gear hub axle (Sturmey Archer) |
13/32" FG |
10.32 mm |
26 |
special dimension (SA only) |
|
Fork shaft / tax rate (Raleigh) |
1" FG |
25.40 mm |
24 / 26* |
*Raleigh often 26 TPI! |
|
Bottom bracket (BSA) |
1.37" FG |
34.80 mm |
24 |
Standard BSA (60°) |
|
Bottom bracket (Raleigh) |
1 3/8" FG |
34.92 mm |
26 |
Raleigh special size |