---

Hi, Nate Taylor here. Please reach out to me at nate@sscycleworks.com for inquiries on parts availabilities and shipping estimates.

74mm Bolt Circle Diameter, 5-Bolt chainrings

74mm Bolt Circle Diameter (BCD), 5-Bolt chainrings on this page:
Campagnolo: ATB 26-tooth | 10-speed 30-tooth | 30-tooth | 32-tooth
Origin8: 24-tooth | 26-tooth
Shimano: 28-tooth silver
SR: 26-tooth | 28-tooth | 30-Tooth
Stronglight: 30-tooth black
Sugino: 26-tooth | 28-tooth aluminum
Takagi: 26-tooth | 28-tooth

Back to master list of available chainrings

We do not have an on-line shopping cart at this time. Have any questions or see something you that interests you, please call us: (503) 480-2001

Bolt Circle Diameter is the diameter of the circle formed by the centers of the chainring fixing bolts. With 4-bolt cranksets, this is easy to measure. 5-bolt cranks are more difficult.

74mm BCD rings are the usual inner rings on triple cranksets.

If you are unsure about what size chainring you need, Wolf Tooth Components has an excellent guide to measuring your rings.

---

Campagnolo ATB 26-tooth, 74 BCD 5-bolt chainring. $50.00

Side 1

Side 2

---

Campagnolo 10-speed 30-tooth, 74 BCD C10 5-bolt chainring. Barely used

• Labeled: 10 speed UD
• 8, 9 & 10-speed compatible

Front side with all the info

And the same ring flipped over.

---

Campagnolo 30-tooth, 74mm BCD 5-bolt chainring

We have this ring both New | Used

Campagnolo 30-tooth, 74mm BCD 5-bolt chainring. New, $40.00

Part# 62225

We have six in stock

Ready to get up that steep hill.

From the back

Here's a different one, still new, 30-tooth, 74bcd.

Campagnolo 30-tooth, 74mm BCD 5-bolt chainring. Used, $30.00

We have two in stock

Front view

And the other side

---

Campagnolo 32-tooth 74mm BCD 5-bolt chainring

We have Campagnolo 32 x 74 BCD rings in both: New | Used

Campagnolo 32-tooth 74mm C9 BCD chainring. New, $60.00

Part# 62226

Compatible with 8, 9 & 10-speed systems

Nice and new and made in Italy

And the flip side

Campagnolo 32-tooth 74mm BCD chainring. Used, $50.00

Part# 62226

We have four in stock

Front side

And the back side

---

Origin8 24-tooth, 74mm BCD 5-Bolt chainring. New, $30.00

Part# 62102

• We have four in stock.
• Made in USA.

This will get you up that hill!

Hee's the chainring's header card.

The back of the header card.

---

Origin8 26-tooth, 74mm BCD 5-Bolt chainring. New, $30.00

Part# 62104

• We have four in stock.
• Made in USA.

The front side

And the back

---

Shimano silver 28-tooth, 74-BCD 5-bolt chainring. Used

We have two: #1 | #2

Shimano silver 28-tooth, 74-BCD 5-bolt chainring #1. Used, $20.00

Side one

Side two

Shimano silver 28-tooth, 74-BCD 5-bolt chainring #2. Used, $20.00

Side one

And the flip side

---

SR Roundtech 26-tooth 74 BCD 5-bolt alloy chainring. Used, $20.00

It doesn't have to be pretty to get you up the hill.

Here's the flip side

---

SR 28-tooth, 74 BCD 5-bolt chainring. Used

We have two: #1 | #2

SR 28-tooth, 74 BCD 5-bolt chainring #1. Used, $20.00

• It has engraved: SR 363
• The ring's former owner engraved some ID information, which we have photoshopped out.

Side one

The same ring flipped over

and a close-up of the damaged portion

SR 28-tooth, 74 BCD 5-bolt chainring #2. Used, $20.00

• It has engraved: SR 363

Side one

Side two

---

SR 30-tooth, 74 BCD 5-bolt chainring. Used, $25.00

We believe this to be SR production, but cannot be sure.

Front side

And the back side

---

Stronglight Black 30-tooth 74mm BCD chainring. New, $35.00

Part# 62098

• We have seven in stock
• 7075 aluminum alloy

This will get up that hill.

The other side

And it will come in this data-laden package,

---

Sugino 26-tooth, 74 BCD 5-bolt chainring. Used, $15.00

We have two in stock

Side one.

And side two

---

Sugino 28-tooth, 74 BCD chainring. Used, $20.00

Side one

Here's a close-up showing the wear

And side two

---

Takagi 26-tooth, 74 BCD chainring. Used, $20.00/each

Side 1

Side 2

---

Takagi 28-tooth, 74 BCD chainring. Used, $20.00/each

Side 1

Side 2

---