Optimizing frame size and geometry is critical to achieve comfort, performance and injury prevention.

Whether you’re looking for a competitive edge or new to cycling, nothing can improve your riding experience as much as a professional bike fit. We’ve invested in the best training and technology to provide the most comprehensive fit services available.

We use the Body Geometry Fit method to understand your goals and measure your physical capabilities and strengths. Then we adjust the bike to you and recommend solutions to improve comfort and enjoyment on the bike. To ensure total accuracy, we use the Retül 3D Dynamic Motion Capture System to evaluate your position while pedaling under load. Once your fit is complete, we use the Zin digital bike measuring tool to provide you with accurate final measurements of the bike.

Fits using the powerful and accurate Retül system are only available at the Toga West Side location.To provide you with personal focus and the highest quality bike fit experience all fits are done by appointment only. Your fit may involve changing a stem, handlebar, or saddle. Parts and labor charges for installation may be added to the price for the fit. Please bring your bike, cycling shoes, riding shorts, and jersey to your scheduled fit to get the best possible result.

Call to schedule your fit appointment today or contact Will Alvarado at the Toga West Side location.


A bike sizing will get you rolling in a safe and comfortable manner. It includes selecting an appropriate size bike and then adjusting the saddle height, saddle setback, bar position and rotation to work best for your body. Sizings can be performed on road, mountain, triathlon, time trial or track bikes. This service is included with the purchase of a new bicycle.


Body Geometry Fit is a process starting with a rider profile interview, followed by a 20 step physical assessment and 15 step on-the-bike equipment adjustments. Afterwards, your Body Geometry Specialist will provide you with thorough documentation and schedule a follow up session to ensure your satisfaction with your final position. This process is scientifically proven to improve knee tracking, reduce injury and increase power, and is the same method that is used with top professional riders in all cycling disciplines. 

Body Geometry 3D Fit with Retul Motion Capture System

What to expect?

3D pre-fit assessment, our technician will ask a series of questions designed to help us understand an athlete’s cycling history, goals, and unique physical characteristics. Next we’ll perform a series of tests design to evaluate a person’s body structure, flexibility, strength, and the possibility of a leg length discrepancy.

We then begin a riding assessment, which will help us analyze the rider’s body position and pedal stroke in a dynamic fashion. With the help of the Retul motion capture 3D software, we can see a exploded view of a rider’s pedal stroke. This enables us to determine pedaling dynamics, balance from left to right leg and make the necessary adjustments. 

We also utilize Retul motion capture technology to take measurements as your riding. Retul is a state-of-the-art 3-D motion capture system designed specifically to collect the most accurate and realistic data for our bike fit specialists. The Retul system gathers data from 8 key anatomical points in the cyclist’s riding position. This enables our fitters to profile existing (before) and ideal (after) angles for our customer’s needs, which could be to gain more efficiency and performance, enhanced comfort or possibly to fit the customer around an injury.

The passive data collection devices still used by many fitters today, such as the tape measure and plumb bob, are outdated and less accurate because they are subject to human error. Fitting with the Retul system however, provides sub-millimeter accurate dynamic data that is organized into an easy-to-read report for both our certified fitters as well as the cyclist.

Retul allows our bike fit experts to capture 100% objective data in a dynamic state and evaluate multiple viewpoints (3-D) simultaneously while the rider is pedaling. This assessment focuses on the correct alignment of the rider from the side, top and front planes, ensuring the rider is sitting squarely on the bike and that their hip, knee and foot is properly aligned. This process will take between 1.5-2.5 hours so please allow for this when scheduling. Also, make sure to be prepared with the required gear. This includes riding shorts and top, cycling shoes, heart rate monitor (if you use one), a towel, and a filled water bottle (cold drinks are also available in our shops).

All fits by appointment only. We do this to ensure that we are able to give you the time and attention required for this one-on-one assessment. Can’t make it down to the shop?  We can arrange for your fitting or custom bicycle purchase to take place at your home or office. For more information including pricing and scheduling please give us a call anytime during normal business hours. If you wish to e-mail our fitters please choose the appropriate shop from below:

Toga Westside
110 West End Ave
NYC 10023
Toga Nyack
530 N Highland Ave
Upper Nyack NY 10960
Gotham Bikes
101 Reade Street
NYC 10013 

About Retul

Retül is based in Boulder, Colorado and has produced market-leading bike fit technology since 2007. With backgrounds in cycling, triathlon and mountain biking as well as engineering, biomechanics and sports marketing, the folks at Retül combined their passions and areas of expertise to deliver motion capture bike fit to the retail market.

Retül is chosen as the official bike fit technology of Garmin-Sharp, Team Sky, Orica-GreenEdge, Team Europcar, MTN Qhubeka, 4-72 Colombia, British Cycling, USA Triathlon and Medicine of Cycling, as well as by numerous world-class triathletes including Ironman World Champions Craig Alexander and Leanda Cave.

Specialized Bikes Giant Bicycles Cannondale Cervelo Linus Bikes
Electra litespeed Bianchi Bikes Quintana Roo Guru Bicycles


Toga West Side

110 West End Ave
New York, NY 10023

Gotham Bikes

101 Reade St
New York, NY 10013

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