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Buying Guide: Chain or Belt Drive Bike

Posted on Jul 2, 2018

Image Source: Pexels by Luke Mitchell. Due to the progress of manufacturing technologies, the bicycle industry has progressed tremendously. The newest topic of discussion in this category is that of chain drives versus belt drives. Here is what you need to know about the distinctions between the two, as well as some recommendations on what to buy. Belt drives are present on various two-wheelers nowadays, from commuter bikes that are meant for city use to robust mountain bikes that conquer the trails. Indoor bicycles also make use of this equipment, as it brings many advantages to a home workout. Even motorcycles come with belt drives nowadays, which shows just how pervasive the technology is. Chain Drive vs Belt Drive An article published by Gizmodo back in 2008 boldly stated that chain drive bikes were becoming a thing of the past, while belt drives were taking the forefront. Ten years later, it is safe to say that this indeed happened. Even though many bikes still sport a chain drive, more and more companies have reoriented their lines toward the better...

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KNEE PAIN, KNEE ALIGNMENT & PEDAL STANCE WIDTH...

Posted on May 30, 2018

KNEE PAIN, KNEE ALIGNMENT & PEDAL STANCE WIDTH BACKGROUND In the last article, we spoke in-depth about crank-arm length and how crankarms that are too-long can cause knee-pain. In this article, we will be concentrating on Pedal Stance Width and why this is important. This article focuses more on road bikes and Tri/TT bikes since they have close to the same bottom bracket shell widths and use similar if not the same cranks with q-factors right around 146mm. MTB’s, on the other hand offer different crank width q-factors such as 168mm, 175mm, 176mm, and even wider. TERMINOLOGY First, let’s define several terms… PEDAL WIDTH vs. (PEDAL) STANCE WIDTH vs. Q-FACTOR. These terms are often used interchangeably but really have different meanings. Following is their correct (cycling) definitions. -PEDAL WIDTH (not shown in Figure 1 to the right) is the distance from the center of the pedal to the outside of the closest crankarm. Standard road pedal width is 53mm. -STANCE WIDTH (or pedal stance width) is the distance between the center of one pedal to the center of the...

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Best gravel bikes for under $500

Posted on May 22, 2018

Best gravel bikes for under $500 I have been getting a lot of requests to do some reviews on gravel bikes, so I recently enlisted help from Danny Donchev at Bikeberry.com. We will be putting a series of 2, maybe 3 articles together on gravel bikes costing $500, $1,000 and $2,000. Here is the first installment. So, you want to get started riding a gravel bike, but not sure what to get? As you already know, gravel bikes are becoming increasingly popular due to their versatility and the ability to ride them just about anywhere. A good gravel bike will be a safe bike to ride both on the road or off-road. They typically have adventure-ready features such as disk brakes, a comfortable geometry which adapts easily to rougher terrains with an additional clearance for wide tires. Gravel bikes are more durable than road bikes and faster than mountain bikes, which makes them the preferred option for cyclists who prefer off-road rides. Riding on rough terrains with a normal road bike can be very uncomfortable and even dangerous, and...

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CRANKARM LENGTH & CLIENT FEEDBACK

Posted on Feb 12, 2018

BACKGROUND – CRANKARM LENGTH Over the past 18 months, I have collected crank arm length data from my bike fit clients. During the bike fit interview process, most of my clients volunteer that they have had prior bike fits, but they are still in pain. Many have had refits and even been to Chiropractors, but they are still experiencing knee pain. Most of the issues I have resolved focus on the following (a) wrong cleat placement, (b) wrong saddle position and (c) wrong crankarm length. Both (a) and (b) above can be fixed by an experienced bike fitter, (c) can be fixed by bicycle and component manufacturers placing shorter cranksets [crankarms] on most bicycles. But first, a background story. Two and a half years ago, 3 best friends, all in their 70’s, started cycling. They have known each other for decades and did everything together. After retiring, they started cycling. First were the shiny new bikes followed by what they thought was a good bike fit. After riding for several months, they all developed severe knee pain. They initially...

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[PART 3] EXTENDED GEARING FOR THE ROAD BIKE

Posted on Jan 29, 2018

EXTENDED GEARING FOR THE ROAD BIKE EXTENDED GEARING FOR THE ROAD BIKE PUTTING IT ALL TOGETHER In Part II, we had just about convinced ourselves to build a 1X. We analyzed different gearing options and evaluated the pros & cons of each. We looked at different gearing solutions from both Shimano and SRAM. We also looked at potential rear derailleurs. Lots of data, lots of analysis, lots of decisions to be made. Since posting Part II, I had several long discussions with Brendan at WolfTooth. A very knowledgeable person when it comes to anything MTB, Cross, Gravel and especially running cross-platforms on a single bike. I also want to give a shout out to my mechanic Mark Strohman of R5ciclismo. Summarizing our conversations, WolfTooth Components manufactures numerous rear derailleur optimizations so that it is possible to efficiently run the following; a) Shimano 11-speed MTB shifters & derailleurs with a SRAM 11-speed 10-42T cassette (GoatLink11), b) Larger cassette MTB gearing using a road ‘GS’ Rear Derailleur (RoadLink), c) 11-49T (and larger) cassettes using an extended rear derailleur cage (WolfCage Derailleur...

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HOW TO PAIR ROTOR INPOWER POWER METERS TO A GPS HEAD UNIT...

Posted on Nov 8, 2017

THE TRICK TO PAIR A ROTOR POWER METER I see a lot more ROTOR Power Meters lately. From my experience, the new INPOWER and 2INPOWER work flawlessly. But, I have heard from many cyclists that they can’t get them paired to their head unit. So, here’s the trick to pair a ROTOR power meter. Currently, ROTOR makes 2 Power Meters. INPOWER, which is a single sided power meter, and 2INPOWER, which is a dual-sided power meter. These power meters are offered only with a 30mm crank spindle. The reason is that more room is available inside a 30mm spindle than a BB86 (24mm) spindle. Inside the spindle is where ROTOR inserts the electronics. But, for those that have a BB86 bottom bracket (example GIANT TCR ADVANCED), don’t worry, Wheels Manufacturing/Enduro Bearings makes bottom bracket bearings that will insert into your BB86 bb shell and allow you to run a BB30-type crank (SKU BB86-30-BB). See pictures. So, back to the original concern … Why is it so hard to get the ROTOR power meter paired to a head unit? It’s actually...

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HOW SHOULD YOU TRAIN FOR A TOUR DE FRANCE CYCLING TOUR?...

Posted on Aug 18, 2017

This summer, I took a bucket-list cycling trip to France to ride on many of the roads – including many of the most famous climbs – featured in the Tour de France. After my return, I’ve been asked about the trip, and my preparations for it, by many cycling friends. So I decided to write an article detailing a few tips you, too, might benefit from if you decide to check this or a similar ride off your own cycling bucket list. Quick Trip Details The trip we took was from a tour company called Custom Getaways. They have numerous trip packages keyed on grand tours and other marquee events, including the Tour de France (TdF), Giro d’Italia and the World Cycling Championships. Our trip was very professionally supported, and our package included riding on the actual roads that the pros ride in the TdF. We climbed: Alpe d’Huez. A beyond-category (HC) 13.8km (8.6-mile) climb at 8.1% average grade, with 1,135m (3,725 ft) of elevation gained – 725m (2,379 ft) to 1860m (6,102 ft). Col d’Telegraphe & Col d’Galibier....

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Leomo TYPE-R – Training and Racing with Wearable Technology...

Posted on Mar 11, 2017

LEOMO – Laws and Equations Of MOtion Training and Racing with the TYPE-R Wearable Technology LEOMO’s introduction to the press occurred on 3/9/2017 at the Olympic Velodrome in Carson, CA. LEOMO unveiled their new motion capture device called the TYPE-R, a wearable measurement tool for competitive cyclists, triathletes and their coaches that, for the first time allows them to analyze form on the road where they train and compete versus in a lab or studio. TYPE-R is more of a system than a device. It will prove to be the next big advancement for coaches and athletes. Although currently limited to analyze the motion of cyclists, they will be adding other sports in the months to come. WHY MOTION? The big 3 items that a coach tries to optimize are (a) Power, (b) Endurance and (c) Technique. The first 2 are both common data items that the cyclist captures and the coach evaluates then optimizes the plan so the athlete can achieve their goals. But, how do you capture and analyze technique in the field? Until now, motion analysis...

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