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We stock a wide range of chainrings for modern and older crank sets.For more technical detail see the B.C.D. entry in Sheldon Brown's Bicycle Glossary
Any ring on this page will fit any 130 BCD crank, including Shimano Ultegra, 105, Tiagra double and triple, also Dura-Ace double.The middle ring on a Dura-Ace triple is a special "Triplizer" type ring, using a non-standard 92 BCD, for which only one "granny ring", a 30, is made (not available from Harris).
| Sugino | TA | Origin8 110/130 |
|---|---|---|
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| Size | Description | Part Number | Price (Click Cart Button) | |
|---|---|---|---|---|
| 38 | Rocket Ring | CRK380 | 
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| Sugino | CRG338 |
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| T.A. | CRT38 |
| With shift-assist pins for middle position. | |
| 39 | Rocket Ring | CRK390 |
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| Sugino | CRG339 |
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| T.A. | CRT39 |
| With shift-assist pins for middle position. | |
| 40 | Rocket Ring | CRK400 |
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| Sugino | CRG340 |
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| T.A. | CRT40 |
| With shift-assist pins for middle position. | |
| 41 | ||||
| Rocket Ring | CRK410 |
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| 42 | ||||
| Rocket Ring | CRK420 |
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| Sugino | CRG342 |
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| T.A. | CRT42 |
| With shift-assist pins for middle position. | |
| 43 | ||||
| Rocket Ring | CRK430 |
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| 44 | ||||
| Rocket Ring | CRK440 |
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| Sugino | CRG344 |
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| T.A. | CRT44 |
| With shift-assist pins for middle position. | |
| 45 | Rocket Ring | CRK450 |
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| 46 | ||||
| Rocket Ring | CRK460 |
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| Sugino | CRG346 |
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| T.A. | CRT46 |
| With shift-assist pins for outer position. | |
| 47 | Rocket Ring | CRK470 |
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| 48 | Rocket Ring | CRK480 |
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| Sugino | CRG348 |
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| T.A. | CRT48 |
| With shift-assist pins for outer position. | |
| 49 | T.A. | CRT49 |
| With shift-assist pins for outer position. |
| 50 | ||||
| Sugino | CRG350 |
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| T.A. | CRT50 |
| With shift-assist pins for outer position. | |
| 52 | ||||
| Sugino | CRG352 |
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| T.A. | CRT52 |
| With shift-assist pins for outer position. | |
| 53 | ||||
| T.A. | CRT53 |
| With shift-assist pins for outer position. | |
| 54 | T.A. | CRT54 |
| With shift-assist pins for outer position. |
These U.S. made 6061 T6 chainwheels are a great value, and ideal for use for fixed-gear road conversions.
They are thicker and stiffer than most road rings, but they work with either wide or narrow chain.
Double set of mounting holes means they fit either 110 mm or 130 mm bolt circle cranks!They have tall teeth to prevent accidental derailment, and are a great choice for singlespeed or fixed-gear bikes, though they will generally also work with derailers.
These are very similar to the no-longer available Tuf-Neck chainrings.
Available sizes: 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48
T.A. chainrings are super-high quality, premium rings in Zircal 7075 aluminum. They have machined teeth, and a mirror-like finish.Note: We no longer sell the TA Triplizers.
Classic T.A. Cyclotouriste cranks, chainrings and bottomm brackets are listed on our French Cranks Page.
There is a lot of confusion about the compatibility of narrow 9-speed chains with older cranksets. Shimano says you should replace the inner chainring(s) with specially designated 9-speed ones, but then they're all too eager to sell you stuff, whether you need it or not.Shimano is also concerned about clueless users. The worst-case scenario is that you will be riding along with the bike in its highest gear (large front, small rear) and then for some bizarre reason shift down in front before downshifting in the back. (There is no shift pattern in which it is reasonable to shift in this sequence.) If you do shift this way, there's a small chance that the chain might "skate" over the edges of the teeth for maybe half a turn.
In practice this "problem" almost never materializes. Many, many cyclists are using 9-speed chains with older cranksets and having no problems whatever.