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2.4.5 Drive belt
For some of its bikes, O2feel uses the "Gates
carbon drive" belt system. The Carbon Drive belt
is right at the core of the drive. This belt drive
is an effective, sturdy alternative to traditional
bike chains. The patented Gates Carbon Drive
technology offers a longer lasting drive that
requires less maintenance.
What are the benefits of the Gates Carbon Drive
belt drive?
•
Cleanliness and minimal maintenance: No
lubrication is required. You can just wash the
belt drive with water.
•
The belt drive is really quiet compared with a
classic chain.
•
The Gates Carbon Drive system weighs less
than a chain transmission system, and so makes
better performance easier.
The tension of the drive belt needs to be right to
ensure optimum results. Lack of belt tension can
lead to tooth jump or "skipping", when the teeth of
the belt slide over the teeth of the rear sprocket.
Too much tension can damage the bearings within
the rear hub, can cause the system to drag, and
can increase the wear of your drive system.
Correct alignment of the belt has to be maintained
as you adjust tension.
Measuring drive-belt tension
The drive belt must be correctly tensioned for the
Gates Carbon Drive system to work effectively.
Insufficient tension could lead to "skipping' where
the belt's teeth slide over the teeth of the rear
sprocket. Too much tension could damage the
rear hub bearings, reduce efficiency and increase
wear on the transmission.
Use the Gates Krikit tension gauge to measure the
tension of the Carbon Drive.
The tension can vary along the length of the belt,
this is why you should repeat the procedure a
number of times. Turn the cranks a quarter-turn
after each measurement and measure again.
Gates krikit tension gauge
1. Lbs pounds scale, 2. Kg kilogrammes scale
3. Indicator arm, 4. Finger strap, 5. Tension gauge
lip
Checking drive-belt tension:
1. Check that the indicator arm is fully lowered.
Place your index finger inside the rubber finger
strap over the click pad as shown.
2. Place the Krikit tension gauge on top of the belt
and position the gauge in the middle of the total
belt span, making sure that the Gauge Lip sits flush
against the belt.
3. Press down on tester click pad until it clicks. It is
critical to use only one finger on the gauge.
4. The measurement point is the intersection of
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