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by Robin Stuart & Cathy Jensen
The most exhilarating and rewarding aspect of off-road riding,
for most people, is the downhill. As we mentioned in the last chapter,
it's the payoff, the reason you worked so hard to get to the top
of the mountain. There is an undeniable feeling of soul-stirring
abandon in the moment that you give yourself over to the descent.
And the sense of pride and empowerment experienced upon triumphing
over fear is unmatchable. Downhill trails come in a variety of shapes
and sizes. There are fire roads, singletracks, rock faces and drop-offs,
just to name a few. Some trails are almost as smooth as pavement
while others may be little more than some dust thrown on top of
a bunch of rocks and tree roots.
The challenges faced by a mountain biker, in these and other downhill
situations, are comprised of equal parts psychological determination
and physical agility. For this reason, downhill riding is the most
demanding facet of mountain biking.
What surprises a lot of beginners and non-mountain bike riders
are the physical benefits gained by downhilling. Using the proper
out-of-the-saddle technique, a downhill run works your calves, quads,
hips, abs, shoulders, triceps, biceps, lats, and pecs. It also builds
and refines balance, coordination, and reflexes. The more rugged
the trail, the harder the workout. If you're in it strictly for
the exercise, what more could you possibly ask? For those of us
who are in it for the fun, the pupil-dilating, heart-gyrating, adrenaline-circulating,
soul-liberating benefits are just as rewarding.
But before we send you trundling off down a mountain, you need to
know a bit more about your brakes. Your brakes are at your disposal
to slow you down, stop you, and give you a hand at steering at cruising
speed.
Look closely and you will notice the cables leading out of your
brake lever housing. Following the cables, you will find that the
right brake cable leads to your rear wheel, the left cable to the
front wheel. As you depress the brake, the lever pulls on the cable,
shortening it. This pulls the other end of the cable that's attached
to the cantilever straddle cable or the horseshoe brake cable pull
which closes the gap between the brake shoe and the wheel rim. The
rear brake is primarily a coaster brake. It won't bring you to a
full and complete stop unless you're moving fairly slowly on level
ground. Its primary purpose is to help you keep your speed manageable
as you feather or modulate the brake lever (applying occasional
light pressure.) Avoid locking this brake up, i.e., abruptly or
continuously squeezing it as hard as you can. This will cause the
rear end of the bike to swing out in response to the sudden loss
of traction. This is how you slide, which some people, particularly
racers, will do on purpose to bomb in and out of a turn quickly.
If you start to slide unintentionally, steer into it like you do
in a car. Loosen up on the brake, turn your handlebars in the direction
of the slide and you will right yourself.
The front brake is your stopping power. Never, never, never use
the front brake alone. Think about what happens when you are walking
behind someone who suddenly stops. Because you're still moving,
you run right into them. The same principle applies to your wheels.
When the front wheel stops independently of the rear wheel, the
rear wheel doesn't get the message so it keeps on going. You can
literally flip right off the seat and over the handlebars. That's
called an instant endo.
The brakes are meant to be used as a pair, 50/50, whenever you
want to stop. The rear brake slows down the action, adding light
pressure from the front brake slows you down even more, evenly distributed
pressure fore and aft will stop you. Feel free to use a little more
back brake, if you like. If you are the type who favors riding in
full-on conditions (foul weather), it would be wise to swap your
multi-purpose brake pads for those made expressly for wet riding.
Standard brake pads are okay in most cases, but they tend to slip
and make unnerving noises when they are wet or excessively muddy.
When your favorite trail resembles a waterfall, there's a lot to
be said for positive braking performance.
Whether you ride in summer or winter, down gentle slopes, fast,
sweeping fire roads, or short technical drop-offs, the basic technique
is the same. The first thing you need to do is level your pedals,
meaning put them both at the halfway point where they are parallel
to the ground (or at 3 o'clock and 9 o'clock if you prefer), and
lift yourself slightly off the saddle. Level pedals are less likely
to catch on any underbrush, tall roots, rocks, or the edges of deep
ruts.
The next step is to place your body in the best leverage position.
Your body position depends on the degree of the descent. Start off
with your backside hovering slightly back from your regular seated
position, knees bent, arms loose, your thighs resting on or lightly
gripping the wings of your saddle. This way, your gluteous maximus
puts a little more traction over the back tire, where it belongs.
It also increases your rear braking strength. The steeper the trail,
the further back you go.
Keeping yourself off the seat this way while keeping your back
flat saves you from undue wear and tear and gives you maximum control.
Use your legs like shock absorbers. Downhill control is a matter
of active leverage and balance which are sometimes more difficult
to achieve when you are sitting down. The more active the terrain,
the more active the rider should be.
Avoid standing straight up. While it is fun to do on an easy downslope,
the pogo stance is worse for your control than staying glued to
the saddle. The lower your center of gravity, the easier it is to
control your bike, especially on long or technical descents. You
may consider taking a moment to lower your seat before you begin
to encourage yourself to stay low. Just remember to reset it at
the correct height when you reach the bottom.
The variation of the standard downhill position comes when taking
a turn. Unless you found a trail that goes straight up and straight
down, you'll need to turn. The secret to effectively mastering turns,
both at high speeds and low, is to drop your outside foot to the
bottom of the rotation while slightly leaning your inside knee and
elbow into the direction of the turn. The subtle weight shift will
keep you and your bike balanced and you'll sail through the turn.
Again, being slightly off the seat will give you that extra measure
of control.
Turn your body into a giant shock absorber. Loose arms and legs
absorb the hits better, thereby decreasing the impact. Tightening
up does not increase your control but rather detracts from it. Your
body takes more of a beating than necessary, which tires you out
faster.
Along those same lines, make sure you keep your grip loose, too.
Consciously work at it. There is nothing worse for your hands and
wrists than the downhill death grip. Not only does this lead to
severe and eventually chronic pain, tensing your hands gives the
subconscious the go-ahead to tense everything else along with them.
Remember, it takes a lot of energy to ride downhill. Keep as much
in reserve as you can, particularly on long descents. Exhaustion
is fear's greatest ally. If there is a single word to bear in mind,
it is "relax." Take deep breaths. Talk to yourself; tell yourself
that you can do this and remind yourself that you are doing this
for fun. We sometimes even sing to stay calm. After asking around,
we discovered that almost everyone we know has a favorite downhill
song. Aside from serving as a minor distraction, singing or whistling
requires you to breathe. You don't have to sing as long as you keep
breathing, and remember that breathing out is just as important
as breathing in. Our friend Julie is a perfect example -- she is
one of the best technical riders and certainly the fastest downhiller
we know. Her secret? Julie doesn't sing, she uses the Lamaze breathing
method whenever she starts to tense up.
As long as you stay relaxed, your mind and body are at their optimum
flexibility. You can deal with anything that the trail throws at
you. Letting go of your tension also releases your fear. Relaxing
is also helpful in letting your instincts control your body's position.
Your body is a slave to gravity and usually it will tell you where
you need to be to remain stable.
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