D2Z Angled Shims


With so many of our rider optimisation sessions resulting in angled arms, and with so few bikes having angle adjustment on the arm rest, we were driven through necessity to design a shim that can incline the arm rest whilst offering adequate support and stiffness. Use of our shims avoids the all too familiar issue of digging the elbow into the back edge of a flat arm rest, providing much better comfort and rider position sustainability.

Manufactured in the UK from 7075 Aluminium, and hard anodised, they can be mounted on top of handle bar extension clamps that have either M5 or M6 threaded holes. They have been designed to be used with our D2Z Arm rests but may be used with other set ups (see below for further information on compatibility).

Our shims are available in 10, 15 and 20 degree angles and are supplied with stainless steel low cap head torx bolts (you will need to specify M5 or M6 when ordering: Torque to 6NM) and arm rest mounting bolts (M5 with 65mm centres). A slot length of 45mm provides additional fore-aft adjustment of the arm rest pad shim.

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D2Z shim compatibility

Our shims fit between your arm rest and the current mounting face that your arm rests are attached to. That mounting face needs to be flat and use M5 or M6 bolts – the size of the bolts you need is dictated by your bike and the bolt size used currently for attaching your arm rests to your bike, for example Scott Plasma uses M6 and Giant Trinity uses M5 (bolts which are 6mm or 5mm wide). 2 x M5 or M6 bolts slot through an inline bolt slot in each shim to attach it to the mounting face.

The max distance between the bolts on each shim is 44mm. The shims were designed for the D2Z arm rests but can be used with other arm rests that have a pad bolt spacing of 65mm. Supplied with bolts but as there are many different types of bike configuration, the bolts we have provided will fit a large percentage of bars, but not all.

Please therefore note you may need to provide your own bolts.

All bolts need to have an engagement depth of 1.5 x diameter.