Lobachyova st, 14
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Rear Wheel Reassembly on Triumph

We reassemlied the front wheel from scratch, and the rear wheel had to be redone with a new rim on a standard hub for a wider sports tire. Wheel rim with spokes were made by LSL on request. We decided to put tires Michelin Pilot Power 160/60 - this is the maximum size that can be set with a standard offset (wider tires require a deviation of the hub offset relative to the rim in the direction of the brake disc). Replacing wheels requires replacement of shock absorbers with a fork. Shock absorbers with a length of 370 mm are ideal for a cafe racer, we chose adjustable YSS - a good option in terms of price / quality ratio. Together with the Kayaba 800 mm fork dropped by 25 mm, the 370 mm shock absorbers provide the standard tilt of the motorcycle and increase the ground clearance so that the motorcycle can be tilted more in the slopes without touching the concrete.

The process of wheel spoking, balancing and service is described in our previous videos and articles. So there's nothing to add on the rear wheel topic. Balancing turned out to be hard for us, probably because of the spokes of different lengths. While lateraling true, we got it in an egg shape, and vice versa.

When tightening, it is important to control the displacement of the hob relative to the rim so that the wheel does not go off to the side and stays centered. To do this, you can measure the offset on the standard wheel (if it is exactly in the center) and add half the difference of the width of the new rim and the standard one. You can also tighten the wheel on a motorcycle this way but also keep an eye on how centered it is in the frame. LSL recommends an offset of 7 mm from the landing surface of the brake disc to the edge of the rim. After installation, we measured the position of the wheel and came to a 10 mm offset.

After the tire service you need to do static balancing, but in our case we needed to change the cog, so we did the balancing after the replacement. The wheel (without the brake disc and the cog) has become lighter by 2 kg which is significant. If we had also replaced the set of cogs to the number 520, then we could have significantly reduced the transmission loss and increase the power at the wheel. But this time we just replaced the rear cog, as the chain and the front star are practically new.

After working with the spoked wheels, we can assure you that it's not easy, it requires patience and special tools that are not cheap. If you don't have them, better leave it to professionals. But if you are up for it, then watch the following video!

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