DIYMINIBIKES

Custom Aluminum Specialty Sprockets
Split or Unsplit (Specify)
Premium High-Strength Aluminum
Other Sizes & Bolt Patterns Available
Popular Chain Sizes & Patterns:
*When ordering, add number of teeth to Part No. & always specify pattern.
If we don’t have your desired pattern on file, send us a sample hub or old sprocket.
FOR #35 CHAIN
Bore
Holes
Bolt
Circle
Minimum
Teeth
Pattern
Part No.
1.000″
3 @ .272″
1.680″
21
P5248
T5313-*
1.000″
3 @ .272″
1.687″
21
P5256
T5313-*
1.250″
3 @ .250″
1.750″
23
P5340
T5313-*
1.500″
4 @ .3125″
4.000″
50
P2286
T5313-*
1.750″
4 @ .453″
2.750″
30
P5237
T5313-*
2.000″
4 @ .375″
2.875″
34
P5263
T5313-*
4.563″
6 @ .261
5.250″
53
P5245
T5313-*
2.110″
3 @ .313″
3.750″
45
P5259
T5313-*
1.468″
6 @ .257″
1.967″
40
P5329
T5313-*
FOR #41 (#420) CHAIN
Bore
Holes
Bolt
Circle
Minimum
Teeth
Pattern
Part No.*
1.000″
3 @ .272″
1.680″
18
P5248
T5314-*
1.000″
3 @ .272″
1.687″
18
P5256
T5314-*
1.250″
3 @ .250″
1.750″
18
P5340
T5314-*
1.625″
4 @ .312″
2.312″
23
P5250
T5314-*
1.625″
4 @ .390″
2.312″
23
P5252
T5314-*
1.750″
4 @ .453″
2.750″
23
P5237
T5314-*
2.000″
4 @ .375″
2.875″
25
P5263
T5314-*
1.500″
4 @ .3125″
4.000″
35
P2286
T5314-*
2.000″
4 @ .312″
3.000″
26
P5260
T5314-*
4.563″
6 @ .261″
5.250″
40
P5245
T5314-*
2.110″
3 @ .313″
3.750″
35
P5259
T5314-*
1.468″
6 @ .257″
1.967″
36
P5329
T5314-*
FOR #40 CHAIN
Bore
Holes
Bolt
Circle
Minimum
Teeth
Pattern
Part No.*
1.000″
3 @ .272″
1.680″
18
P5248
T5315-*
1.000″
3 @ .272″
1.687″
18
P5256
T5315-*
1.250″
3 @ .250″
1.750″
18
P5340
T5315-*
1.625″
4 @ .312″
2.312″
23
P5250
T5315-*
1.625″
4 @ .390″
2.312″
23
P5252
T5315-*
1.750″
4 @ .453″
2.750″
23
P5237
T5315-*
2.000″
4 @ .375″
2.875″
25
P5263
T5315-*
1.500″
4 @ .3125″
4.000″
35
P2286
T5315-*
2.000″
4 @ .312″
3.000″
26
P5260
T5315-*
4.563″
6 @ .261
5.250″
40
P5245
T5315-*
2.110″
3 @ .313″
3.750″
45
P5259
T5315-*
1.468″
6 @ .257
1.967″
36
P5329
T5315-*
FOR #428 CHAIN
Bore
Holes
Bolt
Circle
Minimum
Teeth
Pattern
Part No.*
1.000″
3 @ .272″
1.680″
18
P5248
T5320-*
1.000″
3 @ .272″
1.687″
18
P5256
T5320-*
1.250″
3 @ .250″
1.750″
18
P5340
T5320-*
1.625″
4 @ .312″
2.312″
23
P5250
T5320-*
1.625″
4 @ .390″
2.312″
23
P5252
T5320-*
1.750″
4 @ .453″
2.750″
23
P5237
T5320-*
2.000″
4 @ .375″
2.875″
25
P5263
T5320-*
1.500″
4 @ .3125″
4.000″
35
P2286
T5320-*
2.000″
4 @ .312″
3.000″
26
P5260
T5320-*
4.563″
6 @ .261
5.250″
40
P5245
T5320-*
2.110″
3 @ .313″
3.750″
35
P5259
T5320-*
1.468″
6 @ .257″
1.967″
36
P5329
T5320-*
FOR #520 CHAIN
Bore
Holes
Bolt
Circle
Minimum
Teeth
Pattern
Part No.*
1.000″
3 @ .272″
1.680″
18
P5248
T5316-*
1.000″
3 @ .272″
1.687″
18
P5256
T5316-*
1.250″
3 @ .250
1.750″
16
P5340
T5316-*
2.000″
4 @ .375″
2.875″
21
P5263
T5316-*
1.500″
4 @ .3125″
4.000″
29
P2286
T5316-*
2.000″
4 @ .312″
3.000″
20
P5260
T5316-*
4.563″
6 @ .261″
5.250″
33
P5245
T5316-*
2.110″
3 @ .313″
3.750″
28
P5259
T5316-*
1.468″
6 @ .257″
1.967″
30
P5329
T5316-*