How to choose the right servo coupling

In order to find the right clutch for a drive train some factors have to be taken into account. The required torque range, the offset and the ambient temperatures of the clutch are particularly important. First, the required maximum torque is determined. The clutch should be selected accordingly and not permanently used with overload or Read more about How to choose the right servo coupling[…]

Tough made!

Recently, the BMW specialists from Wunderlich presented the „Sport“ engine protection bar for the BMW F 900 R and XR to the public. It is characterized by its impressively compact, slim design and optimized weight. Now the Grafschafters are following up and presenting the „EXTREME“ engine protection bar concept, in which the striking appearance and Read more about Tough made![…]

Slim made!

The now presented sporty engine protection bar concept, which Wunderlich developed for the new BMW F 900 R and F 900 XR, shines in two ways: with maximum protection and low component weight. Due to its component geometry, the engine, in particular the water pump, the clutch and alternator, as well as their housing covers, Read more about Slim made![…]

Ironed out

This reinforcement bar fits like a glove: It not only complements the protection of the Adventure, it effectively reinforces and perfects it. It almost ironed out the weakness on the open flank of the standard engine protection bar of the BMW F 850 GS Adventure. It provides additional structural rigidity throughout the entire pipe system, Read more about Ironed out[…]

Suitable for high speed!

The "Simple-Flex" series from JAKOB Antriebstechnik is a novel, innovative distance coupling that can be manufactured up to 6m in length and requires no additional intermediate storage. A sophisticated composite tube with a multi-layer, angle-specific fiber configuration allows a particularly simple design. As a result, the otherwise necessary clutch compensation elements, as well as the Read more about Suitable for high speed![…]