It's kind of hard to imagine how the swing works, but if you've ever noticed that it's hard for one of your knees to bend as far as the other one or you've noticed that one knee has a hard time straightening out all the way, this is for you. You risk damaging your knees if you habitually use cranks which are too long, especially as you get older. Free shipping. Shortened cranks are sought after by many recumbent cyclists. No shipments will be made from December 24th through January 3rd. ( See Crank Length table at bottom of page for advice on choosing the length of your cranks.). The Easy Knees Pedal Swing comes as a kit, including one crank shortener and one pedal swing. -, Easy Knees Pedal Swing and Crank Shortener Kit (One Side). 130mm) and longer (220mm) cranks to any given bike. The Easy Knees Pedal Swing comes as a kit, including one crank shortener and one pedal swing. Effectively reduce standard 170mm cranks to 143mm, 120mm, 100mm or 82mm – 16% steps as above, Standard adult 9/16″ thread pedals which can be tightened with a spanner (maximum thread length = 12mm). Get your new right shorter crank welded to a disc to match the Peloton one at a machine shop Fully adjustable from 98mm to 154mm (if fitted to 170mm cranks). Crank length changes may help solve long-simmering aches and pains, but they’re most effective when you’re doing everything you should be doing to be strong on the bike. One Key Release crank bolt included. There are several ways to improve your comfort, power, and aerodynamics on the bike. The photos show the crank shorteners fitted to a single speed crankset with cotter pins, and with Wellgo 868 pedals. Made from 6061-T6 aluminum with the highest quality stainless steel fasteners. is backordered and will ship as soon as it is back in stock. I needed to add a bigger spacer the swing was making contact with the nut on the mounting bracket. The following table shows recommended crank lengths for normally fit riders on upright bicycles, based on the 20% to 22% range. Details & Larger Images: Theseare no longer imported and only the 172.5mm and 175mm can be safely shortened. However on one 165mm arm the opening was about 2.5mm wide, making the crank unsafe to ride. The Easy Knees Pedal Swing is designed to help you find the perfect adjustment for each leg, instead of compromising on an adjustment that isn't really perfect for either leg. The pedal radius is adjustable, allowing the rider to train leg mobility and increase pedal radius gradually as mobility increases. or Best Offer. Make offer - 2 PCS Bike Axle Bolt Screw Capless Bicycle Key Crank Arm Bottom Bracket HFHS. Bicycle Crankset, Aluminium Alloy Bike Single Speed Crankset, Left and Right Crank Arms Repair Parts for Mountain Bike, Road Bike (1 Pair) 5.0 out of 5 stars 7 $39.99 - $49.99 Browse our daily deals for even more savings! In addition, there are a few manufacturers offering custom-built cranks outside this range, so it is possible to fit significantly shorter (e.g. 95 - £149.95 £ 149 . Installation. If you own, or can find, a set of 172.5s or 175s I can shorten them for you. 95 Brand FA 4/20 Left Crank Arm Shorter for Bicycle and Exercise Bike for Knee Disability £113.96 £ 113 . Click here to order spare parts for your Crank Shorteners including alternative fixings for very narrow and very thick cranks, Shipping: £ 6.99 to any part of the World. They are now available in a satin black anodised finish that enhance their appearance and makes them more durable, They can also be polished to a ‘chrome’ finish for an extra charge. Features: The pedal pendulum reduces the pedal radius while maintaining the lower position of the pedal. Standard Crank Shorteners Suitable for most able-bodied adults and children. Crank Shortener with angle compensation It may sound like something from a Monty Python sketch, but it’s actually an extremely useful ac- cessory: the Crank Shortener makes it possible to freely adjust the length of the crank arms, e.g. Shop with Afterpay on eligible items. It changes gearing. These are bicycle crank arm shorteners for reducing the pedal stroke for children or riders with shorter legs that can’t use regular length crank arms. Bicycle Crank Arm Bottom Brackets Connecting Rods Set Bike Replacement BCD104mm. Do you have a "bad" knee? Here, we show you the function of the crank shortener and the pedal pendulum. Free shipping. Free on orders over £160.00. Just got this product last week. Effectively reduce standard 170mm cranks to 143mm, 120mm or 100mm – 16% steps. Click Here to View Product Instructional Document. The Crank Shortener with Angle Compensation makes it possible to freely adjust the length of the crank arms, e.g. Crank shortener for people with legs of different lengths or restrictions in leg mobility. Maybe one leg just doesn't have the same range of motion that the other leg does. This allows you to maintain a "normal" pedal stroke on your "good" leg, and a modified pedal stroke that will be more gentle for your other leg. Pendulum for crank arm shortener FA P Left for severe knee disability Orthopaedic pendulum 4.1 out of 5 stars 12 £129.95 £ 129 . The installation of the crank shortener is quick and easy. On one 165 shortened to 143, I saw a tiny black line at the tip of a thread that may have been the tip of the tunnel. Ride2 Bike Crank Arm Shorteners 23/28mm wide 9/16 arms. Cycle Information: Modern gears and chains, Cycle information : Rear Derailleurs and Indexing, Cycle Information : Freehubs and Cassettes. Ask a friend to measure your height twice – first when you are standing upright against a wall, without shoes on, and second when you are sitting squarely against it. S$ 11.02. Was: S$ 11.98. If you continue to use this site we will assume that you are happy with it. This length goes all the way to your hip joint and cannot be measured directly. Spinning with the pedal swing is totally natural feeling. Your input is very much appreciated. Custom Crank Shortening. Then mountain biking came in and cranks all got 5mm longer. This product enables me to ride a bike again. Crank length is one of those things in cycling that seems to go in and out of fashion. appropriate size taps - 9/16" x 20 left and right hand threads. On bicycle, this force is used to turn a circular crank, so although the downward force might increase, the ability to turn the crank is related to the force that can be created around the circumference (tangential force). The pedals can slide individually along the crank for separate adjustment, optimizing rehabilitation training or allowing the crank length One piece, same for left or right. Shop today! It is important to use the correct length of crank to ensure that your legs can work efficiently. Typically used for the rear rider on a tandem bicycle. Easy Knees Pedal Swing and Crank Shortener Kit (One Side) Get the best deals on Bicycle Crank Arm Shorteners. - Pedal swings are NOT used in pairs. On another one shortened to 144mm, I clearly hit the end of the tunnel with the tip of one thread. I think it was because the crank is tapered. Great Savings & Free Delivery / Collection on many items ... 2 PCS Bike Axle Bolt Screw Capless Bicycle Key Crank Arm Bottom Bracket HFHS. Great product! No other crank shortener can handle the range of crankarms or pedalling forces that these can. Suitable for all (electric) bikes, tandems and exercise bikes; Universal solution for both sides, left and right. Ride2 Bike Crank Arm Shorteners 28/43mm wide 9/16 arms. Important : Your safety depends on the correct fitting of these items. This ‘restocking fee’ will be a maximum of 25% of the purchase price, subject to condition. Sent from my HTC Sensation Z710e using Tapatalk 2 One method that has gained in popularity among triathletes is to move to a shorter crank length. Normally fit adult riders should use cranks which measure about 20% of their effective leg length, rounded to the nearest 5mm, whereas growing children can safely increase this figure to 22%. If the Pulse Shortener has been fitted, a nominal deduction will be made for the ‘consumable’ items used in fitting – namely the straps, star washers, packing strip, the Torx screws and driver – and the reduction in value of the item due to fitting marks, our postage costs etc. Some provide large gaps between the base crank length - ie 24mm minimum first adjustment. I haven't been able to ride a bicycle without knee pain for over 10 years and the pedal swing helps a lot. It’s entirely possible some of you watching this don’t know what length of cranks are fitted to your bike and understandably so! I was not able to ride a bike after knee replacement surgery my range of motion is about 90 degrees. Unlike some of our competitors, we use custom made jigs and a CNC milling machine to ensure the accuracy of this work.. By how much?Cranks can be shortened by 20mm or more. Thanks! bearings both sides. Pulse Crank Shorteners provide 3 or 4 new positions for your pedals and are designed to adapt adult cranks for shorter riders and those with mobility restrictions. They fit crank arms of up to 17 mm in width and shorten the crank by either 23 or 46 mm. Have 3 pedal holes to shorten your cranks by 27, 50 or 70mm. Free shipping on many items! These crank shorteners are sold as a pair for left and right crank. With a crank shortener you can ensure that your child is able to ride its bicycle with ease. Fits all cranks which use 8mm bolts (tapered square axles) 170mm or 175mm. The side anchors that lock to the crank are super heavy duty to handle adult pedaling loads and have a very wide (22 to 44mm) adjustment range. Easy to install and well made with nicely machined and anodized aluminum parts and stainless hardware. Free delivery and returns on eBay Plus items for Plus members. A crank shortener is suitable for children who are not yet able to reach the pedal with their leg. Get the best deal for Crank Arm Shorteners from the largest online selection at eBay.com. Additionally, riders with very long legs may need shorter cranks on standard upright bicycles, to prevent their toes hitting the front wheel or their pedals hitting the ground when cornering. Have 4 pedal holes to shorten your cranks by 27, 50, 70 or 88mm. Pulse Crank Shorteners are machined from high grade aluminium alloy and are supplied with stainless fasteners. In … If you have any concerns about our refund policy, please contact us. 170mm cranks, which most cycle manufacturers fit as standard to most bicycles, are unsuitable for anyone shorter than the average European adult male and are therefore too long for most people in the World! Back in the dark ages, you road 170mm cranks on the road, 165mm on the track and there weren't many bike racers over 6 ft tall. Pedal swings are NOT used in pairs. This allows the rider to train leg mobility and gradually increase the pedal radius as mobility increase Thanks! We use cookies to ensure that we give you the best experience on our website. Coach and fit expert Mat Steinmetz explains the reasons behind this concept and how it can benefit you. $131.39. Normal operations will resume on January 4th. I use some from XTools, but Union and Park Tool make them as well. Cranks that are too short are not dangerous, however.” In his book Bicycle Design, Mike Burrows warned against using cranks that are too long to avoid knee problems and Sheldon Brown has written about crank length and how riding with cranks that … I am an above the knee amputee and the Easy Knee and Crank Shortener allow me to ride comfortably again - it's amazing! for riders with legs of different lengths. $54.09. £1.61. Ideal for use by children on low-back tandems. The sensation of a shorter crank throw on one side is weird at first but you quickly get used to it. ( A longer crank is effectively a slightly lower gear.) Feel free to reach out to us with questions. On Hollandbikeshop.com you'll find a wide choice of Children's Crank Shorteners by brands like HBS und Pex. Unlike other designs, stainless bosses prevent damage to the original pedal threads in your cranks. The Easy Knees Pedal Swing comes as a kit, including one crank shortener and one pedal swing. The pedals can be individually adjusted along the crank for different requirements, optimising rehabilitation, or allo The pedal radius is adjustable. The adjustment is both simple and very positive. Pulse Crank Shorteners provide 3 or 4 new positions for your pedals and are designed to adapt adult cranks for shorter riders and those with mobility restrictions. busy periods and holidays) – please contact Patrick if you need to be certain. Two versions are available: Standard Crank Shorteners. Using Crank Shorteners - there are multiple options out there, none of them elegant except maybe ortho pedal. It's kind of hard to imagine how the swing works, but if you've ever noticed that it's hard for one of your knees to bend as far as the other one or you've noticed that one knee has a hard time straightening out all the way, this is for you. Even shorter cranks may be required by disabled riders with restricted knee movement and by users of faired racing recumbents (due to space restrictions). Swing Crank : Recommended if you have reduced bend in one of your knees (for example, following knee surgery). $130.00. I know my son could use a granny ring sometimes cause that bike though light really isn't that light when u scale down to bike weight vs child size, be like me riding a 45+ lb bike. Intended Application: Designed for people with limited flexibility in one leg. 96 Easy Knee & Crank Shortener are the perfect solution, Easy Knees Pedal Swing and Crank Shortener Kit (One Side) Pulse Crank Shorteners. If you have flat cranks such as TA Cyclotourist, Stonglight 49D, 99 and SR Apex then you will need replacement bolts (part # 4212). for adults and children with legs of different lengths or restrictions in leg mobility. At the extremes, when the crank is near the top and the bottom, there is little useful torque being generated. Copyright © 2020 Highpath Engineering Ltd -|- site by visualeze. ... Bike Crank Protector Set Cover Silica Gel Race Face Boot 5 Colour Crankset 2 PCS. Thank you for understanding, and see you in the new year! We reserve the right to make a further deduction from the refund if any item is returned in less than saleable condition or with items missing. In my case after knee replacement surgery I am left with much less range of motion. I’m so happy with this swing and pedal shortener I haven’t Been able to ride My bike in 17 years due to my disability and now I’m back and can’t be happier. 24mm I.D. Buy Bicycle Crank Arm Shorteners and get the best deals at the lowest prices on eBay! The crank shortener reduces the pedal radius. Edinburgh bike do a Junior Chainset which is good value, but 150mm ish, as do SR Suntour, they turn up on ebay. 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