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Operating instructions SPEEDY F4 & F2
Figure 27: Ergonomic back shell (view from behind)
Velcro cross-straps
Figure 28: Ergonomic back shell without back
padding with Velcro cross-straps (view from the
front)
Then mount the back upholstery using the
Velcro straps.
19.4 Ergo Back backrest bracket and
its adjustment possibilities
The back system "Ergo Back backrest bracket"
normally consists of a backrest bracket (with or
without lumbar curvature) and an adjustable
backrest support including customised
backrest upholstery. The adjustment
possibilities of the adjustable backrest
support are described in chapter 19.2.
Figure 29: Ergo Back backrest bracket with
adjustable backrest support, backrest upholstery
fitted
Top belt
Middle
belts
Bottom belt
Figure 30: Ergo Back backrest bracket with
adjustable backrest support with four belts, backrest
upholstery removed
The Overlite frame version of the SPEEDY
F2 has a special version of the Ergo Back
backrest bracket. In this case, there is no
adjustable backrest support under the backrest
upholstery, rather a backrest support which is
fixed to the frame tubes using Velcro tapes.
There are no possible adjustments here.
20
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