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  2. RR Stem Tech and FAQ's
The RR stem is 100% CNC machined in Covina California, USA.
The Raised height helps improve the riders stance, and increases the leverage between the rider's hands and feet. These help the rider to feel more comfortable and confident, and makes the bike more maneuverable.
The Reversed offset improves and calms the steering dynamics, and makes the bike corner much better. It also allows the rider to keep on the outside of the bike when leaning in for a corner so that they can keep their weight on the side knobs... ->
No. The RR stem is both Raised and Reversed. Due to this your hands will be notably behind the steering axis of your frame instead of in front like they traditionally are. A really tall bar is also not ideal because it will move your hands... ->
No. Practically all if not actually all motorcycles put your hands ultimately behind the steering axis. There is a misconception in the world of bikes that your hands being behind the steering axis will mean that a forward push or... ->
No. The RR stems Raised height pairs perfectly with the closer hand position from the Reversed offset so that you don’t need to upsize your bike. Typically to have a good angle of your arms to the bars and enough bend at the elbows for moving... ->
Yes. The RR stems Raised position puts the rider in a very comfortable upright position. This makes keeping your head up to look far ahead easier, and reduces how much your back and hips need to bend over.
No. The RR stem should suit riders around 5’4” and taller. Shorter riders have a bike with a rear end that is relatively long, so they need an even higher relative front end height for more leverage to maneuver the bike. Tall riders have... ->
No. Though it surely can help riders with low neck and back mobility to ride more comfortably, the RR stem is designed for high performance, control, and speed for racers. To look at the RR stem as just a comfort aid would be a major... ->
Yes. The RR stem gives the rider more confidence, more control, and subsequently allows them to ride faster. On a trail that I am very familiar with and can do runs that differ by less than 2 seconds run to run, I was able to do back-to-back... ->
Potentially yes, but unlike in road biking, in mountain biking the main thing slowing you down isn’t wind resistance. The main thing slowing you down is you using your brakes. You use your brakes when you feel you are going too fast to... ->
Not necessarily. The attack position originated in MX as a strong stable stance that lets the bike move underneath you with good bike body separation, and gives good control and confidence. The RR stem through its independent testing process... ->
No. There is a misleading feeling of that being wilder and sketchier and having to be super aggressive to maintain any amount of control means you are going faster. With the RR stem there is a feeling of calm control when riding where you can... ->
The reason your front wheel pushes and washes out in a corner is often not about needing to put more weight on it, it’s more about losing the balance of keeping your weight driving into your tires contact patches. If your weight is... ->
Not exactly, the reason people think you need to get low and forward is a side effect of traditional stems and modern geo. With a long and low cockpit with a low and forward stem, you can’t get that far back before you run out of arm bend to... ->
No. Wheel flop is proportional to the load on the front wheel, the length of the frame lead aka the trail measurement, and the head tube angle. With more load on the front, more trail, and a slacker head tube angle, a bike will experience... ->
Yes. The RR stems Raised height gives a longer and better angled lever between your hands and feet for imparting larger forces into the bike. This makes the bike much easier to maneuver in the air and allows you to drive through the lip of... ->
It is much easier. That same longer and better angled lever that makes the bike easier to pop off lips also makes the bike much easier to maneuver. Lifting the front wheel and bunny hopping is made easier, and quick direction changes take... ->
The RR stems Reversed offset gives the rider a hand to front axle position that parallels an around 58° head tube angle. This greatly reduces your endo angle so that you are less likely to go over the bars, and allows you to... ->
The RR stem is also better climbing. When pedaling hard in the saddle on a steep climb, you often leverage your body forward by pulling the bars back towards you. With a traditional stem that arcs towards you when you turn the bars, that... ->
No. With a traditional low and forward stem, you are pulling up more than back with extended arms because you can’t pull back without the front increasing its wandering. This can actually make the front more prone to lifting until you get so... ->
The RR stem mounts to a standard 1 1/8” steerer tube with a 50 mm steerer tube clamp height. Due to the increased clamp height relative to most traditional stems, you may need to remove one steerer tube spacer during installation. The RR stem... ->
The RR stem is CNC machined from 7075 T6511 aerospace grade aluminum for maximum strength and fatigue resistance. It has exceeded the mtb stem strength and fatigue requirements in accordance with BS EN ISO 4210 in virtual FEA simulations. We... ->

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