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Cycle Monkey

Internal Gearing Specialists, Bicycle Distribution & Service Center

The Monkey Lab

Co-Motion Klatch Fitness Road Bike with Rohloff SPEEDHUB and Belt Drive

We built this Co-Motion Klatch as a fitness-oriented road bike for a customer who wanted a comfortable, reliable bike to tackle the many great road rides around his hometown of Santa Rosa, California. His priority was simply to ride often, and the bike needed to stay out of the bike shop and on the road as much as possible. He was looking for a sporty-feeling bike that would motivate him to enjoy the outdoors and stay in shape.

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Spot Honey Badger Mountain Bike with Schlumpf Mountain Drive Crankset

  Singlespeed mountain biking has gained a devoted following in recent years, as more and more riders have been thinking outside the box and opting for simple, stripped-down bikes that let them focus solely on the experience of the ride. The flipside of that simplicity is that the gearing limitations of a singlespeed just don’t suffice on some trails, especially in steep hilly areas.

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Rohloff-Equipped Civia Hyland Adventure Road Bike

We showcase a lot of new Rohloff-equipped bikes on The Monkey Lab, but we also do Rohloff retrofits and refurbs on existing bikes from time to time. This Civia Hyland was originally built for a friend of ours for commuting and wet weather road rides.

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Monkey Ride: Neil’s Surly Krampus 29+ Mountain Bike with SuspensionFork, Belt Drive, and Rohloff SPEEDHUB 500/14

Neil built this Surly Krampus after test riding Tyler's Krampus and others we've built for customers and realizing that he needed one of his own. Naturally, he chose a Rohloff SPEEDHUB 500/14 and Gates Carbon Drive belt system for the drivetrain. The bike was finished just before Neil and Phil drove north for the Seattle Bicycle Expo, and Nei

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How To Video: Rohloff SPEEDHUB Sprocket Removal

Continuing our series of videos of how to service your Rohloff SPEEDHUB, our latest video explains the sprocket removal process. In this video, Neil walks you through how to remove and replace a worn sprocket or install a belt drive sprocket.We will soon release more how-to videos covering the topics of shifter/cable installation and shifter troubleshooting.We hope you find the videos helpful. Please contact us if you have any other questions or if you are interested in our SPEEDHUB overhaul services.

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Surly Troll Mountain/Touring/Commuting Bike with Rohloff SPEEDHUB 500/14 and Schmidt Dynamo

This black and silver Surly Troll was built for a customer of ours in San Francisco who was looking for the ideal all-around bike for the many different kinds of riding he planned to do. He wanted to be able to ride comfortably both on road and off, ride around town to run errands, and go on some longer tours. As with many of our customers, versatility and durability were priorities for this build, which is why the bike was built around the Rohloff SPEEDHUB 500/14 drivetrain.

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Monkey Ride: Neil's Oxide Battleaxe All-Mountain Bike

Neil has been searching for the holy grail of long travel full suspension mountain bikes for quite a while. He has had a number of frames over the years that have worked fairly well, but they all had one or more key issues that he hoped to resolve. Most mainstream suspension frames are essentially the same design with different branding and slightly different aesthetics.

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Rohloff-Equipped Surly Ogre Mountain/Touring/Commuting Bike

The customer who purchased this bike was interested in a versatile bike that he could commute on and also use to get into mountain biking. He wanted a bike that would be comfortable for trips around town but capable enough to hit some of the many great mountain bike trails in Marin County, where he lives. After a few conversations about his dream bike, we put together this build based around the Rohloff SPEEDHUB 500/14 and Surly's Ogre frame.Surly frames are all designed with a lot of versatility in mind and make great all-around bikes.

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Monkey Ride: Bike Friday with Belt Drive and Rohloff SPEEDHUB 500/14

Bike Friday built this frame for us to showcase at tradeshows as well as to offer to customers visiting our office wanting to test the Rohloff SPEEDHUB and Gates Carbon Drive drivetrain. Bike Friday hand builds each of their folding bikes to their customers’ specifications in their Eugene, Oregon workshop.

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How To Video: Rohloff SPEEDHUB Oil Change

We're excited to introduce a series of videos showing you how to set up and service your Rohloff SPEEDHUB. The first video covers the oil change process and can be viewed above.We will post more videos on the Monkey Lab blog in the next few weeks covering:- Sprocket replacement- Cable install- Shifter troubleshootingWe hope you find the videos helpful. Please contact us if you have any other questions or if you are interested in our SPEEDHUB overhaul services.

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