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Load image into Gallery viewer, Delta Cycle Bike Bicycle Stem Raiser Pro Extender Head Up Handlebar Raiser
  • Load image into Gallery viewer, Delta Cycle Bike Bicycle Stem Raiser Pro Extender Head Up Handlebar Raiser
Vendor
Delta Cycle & Home

Delta Cycle Bike Bicycle Stem Raiser Pro Extender Head Up Handlebar Raiser

4.6
Regular price
AU$ 86.40
Sale price
AU$ 86.40
Regular price
AU$ 144.00
Sold out
Unit price
per 
Save 40% (AU$ 57.60)
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  • Tracked Shipping on All Orders
  • 14 Days Returns

Description

  • increases bar height by up to 4.6"
  • polished aluminum with anodized finish
  • machined alloy top cap for easy installation
  • forged and heat treated for extra strenght

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  • All customers are entitled to a return window of 14 days, starting from the date of delivery of the product(s).
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Customer Reviews

A good product - but do your homework.This is exactly what I needed for raising the handlebar on a Specialized Rockhopper 19". With the seat raised for a 6'1" position, the original stem height was too low. This resulted in sore wrists and numb hands about 10 min into a ride.The short version:This is a reasonably priced product for the average rider. And it extends the usefulness of my bike from an aggressive downhill posture to a more exercise-oriented street ride. If you are conscious of weighing ounces on your carbon fiber bike, you'll find this irritating. If you want to re-use your existing bike and need a better riding position with some simple modifications, read up a little on how a threadless headset works and then check this out.The long version:- You will need an 5"+ extension on a screwdriver or a t-handle Allen key for the star-fangled bolt install. Note that this center screw only sets the TENSION for the headset bearing. It DOES NOT conduct the full force of holding the bearing set together with the stem. The pressure from the stem when the two back screws are tightened are what holds the headset bearing load properly. To test your leap of faith, you should be able to remove the center bolt and cap completely (leaving the two back screws on) and everything still works correctly.- If you are unfamiliar with this threadless headset setup, you MUST look it up using many educational resources available in photos and videos on the internet - or take your bike to someone who can handle this. Otherwise you may damage the headset, set up a dangerous situation for the rider, or be extremely disappointed in a what is a reasonable piece of hardware.- I preferred the full height setup in my case. I may still have to make some fine adjustments to the seat and the handlebar hardware. But my initial test rides are a vast improvement over the original height. I apply much less pressure to my hands on the bars and have a more upright (although less aerodynamic) posture. The bike is decidedly more top-heavy - but I am looking for comfort and don't need single-track trail maneuverability for what I do now. The nice thing is that it is easy to bring the bike back to its original configuration.- I had to change out the FRONT BRAKE CABLE to use the full height setting. This was an easy change out using a brake cable kit from Amazon as well. All other cables had enough slack to use as-is. It is possible to re-use the front brake cable if you are not going to full height or if you already have enough slack in the cable for the riser.- The two back screws are not the greatest quality - I recommend changing these out if you can readily get the screws from a hardware store. For what I am doing, they seem to be adequate. I chose the aluminum finish model since it matches the rest of the bike hardware. I don't expect to do any hardcore downhill riding anymore, so I have no opinion or any useful data on whether this component is "trail-rated".The above is based on initial riding on the first day of installation. Happy and safe riding! 5Excellent device to raise height of handlebars, but very important considerationsMy experience at installation and limitations is the same as all other thoughtful reviews. That having been said, every review should repeat the following three items. 1. If you re not familiar with a bike s steerer tube, and adding a stem raiser (this item) to it, make sure to read the Q/A provided by Bill and find a YouTube video suggested by him for review. 2. As to installation, the bolt that holds the stem raiser to the steerer tube is set deep within the stem raiser. I would venture to say that no typical home mechanic has a hex head wrench of sufficient length and shape that can provide mechanical advantage for tightening -- to reach the bolt within the stem raiser. You either will have to buy one or, as in my case, kludge together a number of drivers and extensions to reach within the tube in order to tighten the bolt. 3. The cables and their sheaths for gears and brakes that reach from the handlebars must be of sufficient (additional) length to accommodate to a higher position. In order to take full advantage of the considerable height of this device, it is likely you will have to replace one or more of those cables. If you are prepared to deal with these issues, this stem raiser is excellent. 4Great to add height or to change use of bike. Needs extra long hex wrench for installation.I have purchased the exact product for multiple bikes. I am 6'4" so I need to raise the handlebars to get a bike to fit comfortably. This has the added value of being able to easily change a road bike from a comfortable commuter to a more aero stance for something like a short road race or sprint triathlon.I would give it 5 stars if it came with a extra long handled hex wrench that you will need to tighten the center bolt. 4Not tight enough, especially not for mountain bikesI was happy to find this stem raiser since it was the only one that could increase the height by up to 4.6". I wasn't sure what would work best for me, so I wanted a large range of adjustment. However, I don't think it really fits 1 1/8" stem diameters. I kept tightening more and more and my handlebars would still spin when torqued. When I inserted a shim made from the aluminum from a soda can, it improved, but still not good enough. I'm not skilled enough to insert multiple shims. I have a high end Diamondback DB35 stem, so I don't think it's the stem's problem. I now use another riser (WEANAS New MTB Bicycle Bike Alloy Stem Riser 1-1/8" Rise 28.6 x 117mm) and it works great. I wouldn't recommend this Delta riser for any bicycle, a road bike doesn't usually require so much torque, but how about during an emergency maneuver? 1Installs in minutes with one tool, then adjusts with the same 6mm allen wrench while on the trail.I purchased this Raiser to allow me to sit up a little more for comfort. It is a great product and installs quickly. You may need to remove one 10mm spacer to get it to seat properly as I did. It is great to be able to go from a relaxed upright position down to the more agressive attack position with very little effort. Also the cap screws on instead of being held on by the screw that tightens up the fork. This makes it much nicer for me. I am 6'1" with an XL frame, but still needed the bars raised to be able to sit upright to relax my back. I was having to ride no handed for a while to rest my back. Not anymore. Thanks Delta! 5Things to know before you buy....BLUF:1. May cause steering stability issues2. May cost you a lot more than just the cost of the raiserI installed the raiser on the bike. First thing I noticed is the cables are not long enough for the handle bars to be raised that high. Took it to a bike shop. They said $125 for new cables and tune up to make it shift right again. But they warned me that raising the handlebars can cause instability in the steering and make you more prone to lose control. I had them change the cables out anyway. I like it. But when I started going upwards of 25 mph I noticed what they are talking about. The slightest input on your part amounts to a lot of steering. I guess has to do with the higher center-of-gravity than before using the raiser. 4Easy Installation and Height Adjustment For HandlebarsI have been diligently trying to find the best fit for my fianc s bicycle. In doing research, I came across some advice from a high end bicycle manufacturer that recommended this Delta Stem Riser Pro. As I know very little about bicycle set up, maintenance, and construction I purchased the Riser with some misgivings about installing it. What I didn t know is there are instructions on the package and following them, I completed the removal of the old stem and installation of the new stem in about 15 minutes. The job required two tools on this bicycle, a 5mm and 6mm Allen wrench. I definitely am happy with my purchase and recommend this to anyone who needs higher handlebars. 5Makes 10+ Mile Rides Enjoyable AgainThis stem raiser successfully transformed the mountain bike of my younger years to a comfortable trekker/cruiser for this clydesdale weekend rider. After replacing my mountain tires with touring tires, I was still uncomfortable during even short rides due to the low height of my handlebars. After installing this Delta Pro Stem Raiser, my handlebars are a couple of inched higher than my seat, and I am very comfortable during 15+ mile rides.Two issues: First, it was difficult to get the proper pre-load on the headset bearings. It seemed that the long 5mm allen wrench was flexing before the bearings were acceptably pre-loaded. I removed the center bolt and applied a small amount of lithium grease to the threads of the bolt. After reinstalling the stem raiser with this bolt, I could easily get the play out of the bearings using acceptable torque on the center bolt.Second, even after applying as much torque on the pinch bolts as I dared to apply, I still had an unacceptable amount of stem slippage/rotation on the steering tube. This did not occur while riding, but it was unacceptably easy to turn the handlebars left or right while holding the tire. Even with mating surfaces clean on both the steering tube and the stem raiser, I could not eliminate the slippage. After a little research, I decided to apply a carbon fiber assembly gel to the aluminum mating surfaces between the steering tube and stem raiser before assembly. Using measurably less torque during reassembly, all slippage was eliminated. Following recommendations in previously posts, I applied a small amount of blue thread lock on the pinch bolts threads prior to installation to ensure the slippage does not return.The whole assembly is very secure and functional. Unlike other stem raisers, you can easily adjust the height of the stem on the Delta Pro Stem Raiser using only an allen wrench. Once the stem raiser is properly installed using the appropriate spacers on the steering tube, no spacers are needed to mount the stem to the stem raiser. The stem is easily raised or lowered on ride day according to your needs. 5Good Quality riser...but definitely LONG.Picked this up to raise the handlebars on my Giant Toughroad....decent materials and construction and definitely works BUT was LONG (not their fault...mine for not doing some quick measurements). After getting my bars raised high enough to be comfortable but low enough so I didn't have to have the brake and shift lines redone to account for the new height) I still had 1/2 the riser sticking up past the bars.....ordered one slightly shorter which fit perfectly........so if you do order this, TAKE NOTE....depending on how high you want to raise the handlebars.....you will either have the excess sticking up past the bar mount OR you may have to have new brake and shift lines installed as rasing the bars takes the slack out of your lines, which when you need to turn left or right.....pulls them tight and can break/stress them. Still a good product but definitely put some time and thought into how high you want your handle bars and also take the brake and shift lines slack into consideration. 3One Tool Easy InstallThis replaces your headset cap but you leave the star nut in place.You will need a long hex tool or what some call Allen Wrench more than 5 inches to reach the long cap bolt provided.There are 2 more easy reach on the base of the extension.The cap provided is threaded and just scews on.The reason for my purchase was I was converted my old trainer to peddle assist with a kit and battery packalso purchased through Amazon.The bike is faster than the ad claimed it would be and the road was transmitted to my hands, wrist, and shouldersto the point of pain and exhaustion on a short 8 mile ride.This is with no real effort from my legs.There is also what concerns many cyclist which is going over the bar at speed.This extention changes your postion to upright releaving the weight off all the aforementioned and set for bracing against a header. 5
Delta Cycle Bike Bicycle Stem Raiser Pro Extender Head Up Handlebar Raiser

Delta Cycle Bike Bicycle Stem Raiser Pro Extender Head Up Handlebar Raiser

4.6
Error You can't add more than 500 quantity.
Regular price
AU$ 86.40
Sale price
AU$ 86.40
Regular price
AU$ 144.00
Sold out
Unit price
per 
Save 40% (AU$ 57.60)