Category Archives: Rene Herse cranks

Crank Bolt Wrench

Our René Herse cranks come with classic 15 mm crank bolts. They are beautiful and easy to tighten. However, it can be hard to find a matching 15 mm wrench. Most wrenches have walls that are too thick to fit … Continue reading

Posted in Product News, Rene Herse cranks | 33 Comments

It’s Not Easy to Be Honest

I used to wonder why manufacturers offer things that are popular, even though they don’t work well. I recently read an interview with a BMW engineer, who complained about the huge wheels that the company now puts on their cars. … Continue reading

Posted in Rene Herse cranks, Testing and Tech | 89 Comments

Trouble with STI Triples

Triple cranks are a good choice for some riders. The most common shifting system for triple cranks, Shimano’s STI, only works with Shimano chainrings. Unfortunately, Shimano’s chainring combinations are of limited use to most riders. If you want to customize … Continue reading

Posted in Rene Herse cranks, Testing and Tech | 61 Comments

Passing the Test

When we designed the new René Herse cranks, our goal was to create a crank that was as reliable and safe as any on the market. After all, we ride these cranks ourselves. We are especially proud that these cranks … Continue reading

Posted in Rene Herse cranks | 16 Comments

Will I be able to get chainrings?

Question from a potential customer: “If I purchase a Rene Herse crankset with its non-standard bolt-circle diameter, what guarantee do I have that Compass Bicycles will continue production of the chainrings for 5, 10 or 15 years?” Compass Bicycles makes … Continue reading

Posted in Rene Herse cranks | 22 Comments

100% Quality Control

Some customers of our René Herse cranks have noticed that their brand-new cranks show traces of having been mounted on a bottom bracket. Did they receive used cranks by accident? No, the cranks are brand-new. As part of our quality … Continue reading

Posted in Rene Herse cranks | 16 Comments

How to Choose Your Chainrings

When we received another shipment of René Herse cranks recently, we built up and filled our pre-orders first. Some are shown above. All the cranks shown have different setups, except two. (Can you spot the two identical ones?) There are … Continue reading

Posted in Rene Herse cranks, Testing and Tech | 23 Comments

René Herse Cranks in Stock

We just received a new shipment of René Herse cranks. In addition to the double and triple cranks, this production run includes the single-speed cranks (shown above). We also have all chainring sizes in stock (except 50 teeth, which are … Continue reading

Posted in Components, Product News, Rene Herse cranks | 5 Comments

René Herse Cranks Sold Out

The first production run of the new René Herse cranks has sold out. Reports from users have been very positive. The cranks work well with current 10-speed drivetrains, as well as classic setups with 5-9 cogs in the rear. The … Continue reading

Posted in Components, Product News, Rene Herse cranks | 19 Comments

To grease or not to grease?

Should one grease the tapers of bottom bracket spindles before installing the cranks? Few topics spur as much controversy among bike mechanics as this question. In the old days, Campagnolo not only recommended mounting the cranks dry, they even suggested … Continue reading

Posted in Bottom brackets, Rene Herse cranks, Testing and Tech | 27 Comments

René Herse Cranks are Here!

Customers who pre-ordered their René Herse cranks before February 1 should receive a box in the next few days. Inside… …is the new René Herse crank. It is delivered with our custom crank bolts and pedal washers. We are ramping … Continue reading

Posted in Product News, Rene Herse cranks | 22 Comments

Pre-Orders for René Herse Cranks

Developing an excellent product takes time and care. The first run of our new René Herse cranks has been forged. Above, you see a raw forging being removed from the forging die. Above are the raw forgings for the crankarms … Continue reading

Posted in Product News, Rene Herse cranks | 9 Comments

Net-Shape Forging and Crank Length

Net-Shape Forging The new René Herse cranks will be offered in one length only, 171 mm, which allows us to have the cranks forged to their final shape. (The photo above shows the raw forging.) The process is called “net-shape … Continue reading

Posted in Product News, Rene Herse cranks, Testing and Tech | 52 Comments

René Herse Cranks: Prices and Availability

The new René Herse cranks have entered production. The arms are being forged, the chainrings are being machined, and the crank bolts are being made, each by specialist manufacturers who are among the best in their trade. The photo above … Continue reading

Posted in Product News, Rene Herse cranks | 22 Comments

History of Aluminum Cranks

During the development of our new René Herse cranks over the last two years, I have been thinking a lot about crank design. Modern cranks are an interesting story of standards that evolved until nobody remembers why they were adopted … Continue reading

Posted in Product News, Rene Herse cranks, Testing and Tech | 42 Comments

René Herse Crank Weight

In our original announcement of the new René Herse cranks, we wrote that they were lighter than Campagnolo Record Carbon cranks. A few readers asked us to substantiate this. We weighed the cranks on Bicycle Quarterly’s precision scale (above). We … Continue reading

Posted in Product News, Rene Herse cranks, Testing and Tech | 19 Comments

René Herse Cranks – Strong Enough?

When we presented the new René Herse cranks last week, a number of people wondered whether they would be strong enough. After all, most cranks have four or five spider arms, whereas the Herse cranks use only three. And what … Continue reading

Posted in Product News, Rene Herse cranks, Testing and Tech | 27 Comments

René Herse Cranks

Compass Bicycles and René Herse Bicycles are proud to introduce a modern version of the classic René Herse crank. The new crank will be available this fall. Some products are hard to improve; they make you wonder why all components … Continue reading

Posted in Product News, Rene Herse cranks | 82 Comments