Service

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Questions and answers about the product.

What type of brake pads should I use for my Lightweight wheels?

You should only use the original Lightweight brake pads included as standard original equipment. We have worked in cooperation with our technical partner to develop and design our brake pads specifically for our carbon-fibre system. If you use brake pads other than our original Lightweight brake pads, they may seriously damage the brake track areas or leave virtually invisible residues that may cause brake problems or loss of control. You can purchase the brake pads from a dealer or directly from Carbonsports GmbH.

If you use different brake pads you will lose all rights to make claims under warranty, goodwill and/or WHEELPROTECTION.

Is tubeless sealant recommended?

We recommend the use of tubeless sealant. We use the tubeless sealant from the firm No Tubes. The benefits lie not only in that if one rides over sharp objects one does not necessarily get a flat tyre and one can save having to put on a new tyre or replacing the tube, one can also avoid damaging the carbon rim flanges as it does not lead to a “roll-out” following a rapid loss of air in the tyres. This is to be particularly recommended for the “Standard C“ models as well, as a damaged rim flange is irreparable. Moreover, a flat tyre can result in a rapid loss of control of the bicycle which could lead to a serious fall.

The tubeless sealant is best poured in prior to putting on the tyres. To avoid the valve clogging, it should be removed before filling. In addition, one can treat the valve rubber lightly with Vaseline for example. If in use in association with disc wheels note should be taken that it is almost impossible to subsequently fill the tyre with tubeless sealant.

Can I use my Lightweight wheels in cyclocross ?

Our models Meilenstein Tubular and Gipfelsturm are approved for the cyclocross in terms of the geometric stress alone. Are limitations in terms of durability of the braking surface is considerably compared to the pure road use. Thus, the braking surface of our cyclocross wheels in the use of wear out much faster. Information about the shelf life can not be made ​​at this point, this is very much on the driver, route and depending on how dtyir.

What do I gain by registering the Lightweight products?

For registered Lightweight products, CarbonSports offers crash replacement and goodwill provisions – including for material defects (warranty) beyond the statuary liability period. In respect of irreparable damage, e.g. as a result of an accident, we guarantee a reduction of 30% on the respective list price when buying a new Lightweight product as a replacement. The right of replacement must be claimed direct from CarbonSports GmbH. When this provision is exercised the irreparable Lightweight product will remain in our possession.

Slight damage to your Lightweight products will also be repaired by us for free, even after the expiry of the statutory warranty period – the maximum time spent on repairs is 0.5 hours. We alone will decide whether a repair will be carried out for free – in no case is there a right to free repair of damage caused by the customer! In cases of damage caused by the customer, please send us the affected Lightweight product for assessment. After estimating the time required for the necessary repairs, these will either be carried out for free or you will receive a quotation from us. The decision as to whether the repairs are to be carried out will be yours alone.

You will also find this and further information in the user manual and on our website at www.lightweight.info.

How and where do I register my Lightweight product?

Each Lightweight wheel is furnished with an individually numbered read-only microchip. Through this, a unique registration is possible – all relevant production data of the associated wheel is thus traceable.

Only Lightweight wheels registered by the initial purchaser can enjoy the CarbonSports guarantee - and service provisions! You will find your individual chip number on the last page of this manual.

You will also find this and further information in the user manual and on our website at www.lightweight.info. Please register your Lightweight wheels within 8 weeks after receipt!

- on the internet: www.lightweight.info
- by telephone: +49 (7541) 3889 - 12
- by fax: +49 (7541) 3889 - 55

You can also register your chip number at www.bikefinder.de – find more information on bikefinder®’s services on the website given above.

Can I use a separate spoke magnet?

Each Lightweight wheel has a laminated magnet (on the Ventoux model the magnet is fixed to a spoke), approximately opposite the valve. If the construction method of your racing bike fork does not allow for the correct orientation of the front wheel sensor on the laminated magnet, inquire in the specialist trade about a suitable wheel magnet! Never use a wheel magnet with a screw clamp – the clamping screw seriously damages the fibres of the carbon spokes. A serious accident could be the result.

What do I need to pay attention to in gluing the tubular tyre?

As well as the application instructions of the manufacturer of the tyre glue and/or the adhesive tape, you should also make sure that you do not use tubular tyres that are too wide. In respect of tyres that are too wide, the tyre cross-section and the rim bed no longer match optimally, such that the adhesive force of the glue/adhesive tape can be diminished.

Preferably you should choose wheels with a width of 22–24 mm, the maximum permissible tyre width is 27 mm.

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Are there special tyre adhesives for Lightweight tubular tyre rims?

CarbonSports makes no special limitations or approvals for the use of tyre adhesives.

However, we recommend the use of tyre adhesives from Continental – they have an excellent record with respect adhesive power and durability, with both the standard adhesive and the special adhesive for carbon rims.

May I fit my tubular tyres with adhesive tape?

Basically we recommend the use of tyre adhesive for fitting tubular tyres. This provides the most durable connection between tyres and rims.

However, we have also had first class experience with the adhesive tape “Extrem“ from TUFO; but please note that TUFO gives no warranty in connection with other tyre manufacturers – this applies only to use with TUFO tyres.

Which valve extension should I use for my Lightweight wheels?

Basically there are two different types of valve extensions, both of which can be used.

- extensions that are screwed onto the complete valve and which can be removed again after pumping. In this variant the valve is hidden in the valve passage and can no longer be closed
- fixed extensions which are inserted between the valve core and the valve shaft of the tube. These stay there; the valve is thereby always accessible and can be closed.

Because of easier handling, we recommend the second variant. Optimised for use with the Continental tubular tyres and/or tubes in association with the Lightweight high-profile wheels, we offer a light aluminium valve extension weighing only 1.6 grams, which you can buy from your specialist retailer.

Are there any weight restrictions for the various Lightweight wheels?

Each wheel model has an individual weight restriction. These are given as maximum total weight in kilograms and include the total weight of the rider + bicycle + possible baggage.

For a combination of different wheels (e.g. 16 spoke front wheel with a standard rear wheel) the lower maximum total weight applies!

Please take the precise weight restrictions from your user manual or the technical data on our website at www.lightweight.info.

Can I use the man Lightweight wheels on tandems?

No. Lightweight wheels may not be used on tandems. The lateral forces arising caused by a turning manoeuvre or acceleration, are under certain circumstances too great and could lead to a wheel collapse. Lightweight wheels are designed exclusively

- for fitting on standard racing and time-trial bikes.
- see the user manual, technical data, for the respectively permitted functional range.

With the use of Lightweight wheels you lose all warranty and WHEELPROTECTION rights.

How can I pump up the tyres of the Lightweight Disc?

Most pump heads of modern floor pumps are too big for the valve opening of the Lightweight disc wheels.

We supply a suitable adapter with each new disc wheel, with the help of which the tyres can be pumped up.

Should you need such an adapter, you can buy it direct from your specialist retailer.

Can I influence the durability of my Lightweight wheels?

Yes, you can!

A great deal depends on how clean your rims and brake pads are.

Sand and dirt on the brake track area and in the brake pads have a negative influence on service life. When you brake, this film of dirt acts like sandpaper and destroys the surfaces. So be sure to clean your wheels and brake pads regularly, especially when you have been cycling in the rain.

Replace your brake pads once a year.

Check the brake track areas at regular intervals for residue from the brake pads. If there is residue from the brake pads on the rims, you will also hear a loud noise when you brake. Brake pad residue also generates increased heat build-up on the rims, which can lead to unpleasantly jerky braking.

For preference, you should clean off brake pad residue with our cleaner for brake track areas or with methylated spirits.

Also, make sure that your brake pads are adjusted correctly, in accordance with the instructions in our owner's manual.

Check the toothed lock washers of your freewheel system every 5000 km. For information on how to do this, see our technical documentation, which is enclosed with your wheels. Replace damaged components with original DT Swiss parts only.
Lubricate components exclusively with the original DT Swiss special freewheel grease, which is available from your specialist dealer or directly from CarbonSports.

Can I change the bearing on my Lightweight front wheel myself?

No. The bearing of the Lightweight front wheel hub can lose its ease of movement over time. In this case, send us the affected wheel. The Lightweight front wheel hub may only be worked on by us.

Furthermore, you will put your rights in respect of defects in quality and the warranty at risk by incorrectly carried out assembly and maintenance work!

Can I change the rotor myself?

Yes. The DT-Swiss Rotor on the Lightweight rear wheels from the 2005 model year may be changed by you. Please follow the instructions on changing the rotor in your user manual.

Do not overestimate your technical abilities – get the assembly and maintenance work on the Lightweight rear wheel hub carried out in a DT Swiss service centre or a bicycle workshop. It is only there that correct installation is guaranteed. Furthermore, you will put your rights in respect of defects in quality and the guarantee at risk by incorrectly carried out assembly and maintenance work! You are welcome to send your wheel for servicing or changing the rotor to our Service Department in Friedrichshafen. However, please contact us before sending it.

Can I change the bearing on my Lightweight rear wheel myself?

No. The bearing of the Lightweight rear wheel hub can lose its ease of movement over time. In this case, send us the affected wheel. Do not overestimate your technical abilities – get the assembly and maintenance work on the Lightweight rear wheel hub carried out in a DT Swiss service centre or a bicycle workshop. It is only there that correct installation is guaranteed. Furthermore, you will put your rights in respect of defects in quality and the warranty at risk by incorrectly carried out assembly and maintenance work! You are welcome to send your wheel for servicing or changing the rotor to our Service Department in Friedrichshafen. However, please contact us before sending it.

What can I do if my Lightweight wheels judder when braking?

Firstly, strong juddering when braking is very annoying and, secondly, can be dangerous as well, if your bicycle cannot be controlled properly when braking.

- Please check that the correct setting as well as the cleanliness of your brake pads as described in your user manual.
- Regularly clean the brake flanks of your Lightweight wheels with a plastic scraper, to remove brake pad residue. If necessary use a cloth soaked in a little petrol or spirit for the remaining residue.

Finally, test the brakes. Note that the braking response may have changed. If there is no improvement or the juddering is in a range unacceptable to you, send the wheel to our Service Department in Friedrichshafen, adhering to our repair terms and conditions. Repair terms and conditions and the full address can be found on our website at www.lightweight.info.

For how long does the warranty last?

We provide statutory liability for material defects (warranty) in respect of all material and workmanship for all Lightweight products. Within this period we will replace faulty products at no cost to the user. The period of liability commences with the first purchase of the relevant Lightweight product.

In addition to this obligatory covers, we offer the following voluntary warranty and customer services:

- WHEELPROTECTION. Transferrable, fee required, valid for three years. Prerequisite for this: a valid WHEELPROTECTION certificate.
- Goodwill provisions and crash replacement. Non-transferrable, free, validity only limited by the life of the product. Prerequisite for this: valid registration of the product.

Is a broken spoke repairable?

Unfortunately, a complete break of one or more spokes is not repairable.

Individual breaks or fibre damage on the spokes are reparable, insofar as 2/3rds of the width of the spoke is not affected. In addition, it is necessary to check whether the spoke break has led to a loss of tension, which no longer permits a renewed centring of the wheel.

In respect of irreparable damage, you can claim our crash replacement, insofar as you have registered your wheel with us in due time. Should you have concluded a still valid WHEELPROTECTION for your Lightweight wheel, you can avail of this.

Is a broken rim repairable?

A complete break of the rim ring is irreparable. If the rim is only partially broken, we can repair it under certain circumstances.

In respect of irreparable damage, you can claim our crash replacement, insofar as you have registered your wheel with us in due time. Should you have concluded a still valid WHEELPROTECTION for your Lightweight wheel, you can avail of this.

Are eruptions of the carbon on the brake flank repairable?

In most cases, eruptions because of falls and punctures on all our tubular tyre models are repairable. In every case with respect to the clincher tyre models, an assessment by our specialists will clarify whether a repair can be carried out without restricting subsequent riding safety.

An initial assessment can normally take place on the basis of photographs – please send pictures to repair@lightweight.info. Or send your wheel to our Service Department in Friedrichshafen, adhering to our repair terms and conditions. Repair terms and conditions and the full address can be found on our website at www.lightweight.info.

What is CrashReplacement?

CrashReplacement is a voluntary service from CarbonSports, which is offered for registered Lightweight products.

In respect of irreparable damage, e.g. as a result of an accident, we guarantee a reduction of 30% on the respective list price when buying a new Lightweight product as a replacement. The right of replacement must be claimed direct from CarbonSports GmbH. When this provision is exercised, the irreparable Lightweight product becomes our property and will be disposed of by us in an environmentally sound manner.

You will also find this and further information in the user manual and on our website at www.lightweight.info.

What is WHEELPROTECTION?

WHEELPROTECTION is an extraordinary service product through which you can enjoy uncomplicated repairs or an uncomplicated free replacement of your defective wheel. You can find information for downloading, in particular our WHEELPROTECTION terms and conditions, in our service area.

What is Lightweight SpecialEdition?

In 2009 and 2010 Team Milram rode on Lightweight wheels with an appearance tailor made for them. What is often only a dream for every cyclist is reality with Lightweight! The exclusive Special Edition of the legendary Lightweight wheels is available immediately to all cyclists! The most important optical and technical feature that makes the SpecialEdition wheel so unique is the revolutionary new white Duraflon®-coating. Duraflon® gives the SpecialEdition an extremely durable, scratch-proof and smooth surface with a lovely, semi-matte look – with an added weight of only 40 grams. The SpecialEdition is available for all Lightweight models (except disc).

What is Duraflon®?

Duraflon® is a fluoropolymer coating which, through a highly special annealing process, is permanently connected to the wheel and which is very resistant to UV rays and other atmospheric influences. Further information can be found at:
www.duraflon.de

A Lightweight wheel was stolen from me. What should I do?

Please immediately report the chip number of the stolen wheels to us

- by email to usa@lightweight.info
- by telephone: +49 (7541) 3889 - 12
- by fax: +49 (7541) 3889 - 55

We put the stolen wheels into a databank, so that, for example, they will be recognised immediately in Service. In addition, we can check, on request (e.g. after buying a second-hand wheel), whether the wheel has been reported as stolen by the previous owner.

You can also register your chip number as stolen at www.bikefinder.de. Naturally every theft should be reported to the police!

Where is the best place to buy Lightweight wheels?

Lightweight wheels are generally sold via the retail bicycle trade (shops and/or shops with an online shop).

We believe that advice from a trained retailer from the outset helps to avoid mistakes in buying and in later use. Moreover, a specialist retailer will be a competent contact for queries or maintenance, and in the procurement of accessories and/or spare parts.

You will find a list of retailers supplied by us on our website at www.lightweight.info

Can I also buy individual Lightweight wheels?

Naturally, all Lightweight wheels can be acquired individually. Your bicycle specialist retailer would certainly be pleased to advise you. You can find detailed product information and a 3D view of our wheels on our website under the heading “Products” at www.lightweight.info

Do Lightweight wheels have a serial number?

Each Lightweight wheel is furnished with an individually numbered read-only microchip. Through this, a unique registration is possible – all relevant production data of the associated wheel is thus traceable. In addition, we can determine via this chip number, whether a wheel has been reported as stolen.

Can one test ride the Lightweight wheels?

CarbonSports is constantly a partner to various training camps and other cycling sports events, where you will have an opportunity to extensive test ride our Lightweight wheels. You can find out at which local events we are partners to, on our website at www.lightweight.info.

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Contact

Oliver Kiesel Oliver Kiesel
productmanagement and head of service

P +49 (7541) 3889 - 69
F +49 (7541) 3889 - 55
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