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Conversion Kit Schempp Hirth

TOST Conversion Kit - Discus/Ventus

Sale Price: $2,657.00

SKU: 1144


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Detailed Description

TOST Retrofit From Shoe Brake to Disk Brake Wheel

General Description

Many modern gliders and power gliders are originally equipped with disk brake wheels nowadays. To make available their advantages also for elder aircraft types, we offer retrofit kits from shoe brake wheel to disk brake wheel.

Depending on the aircraft type the available space varies. With very tight space in the landing gear box the existing shoe brake wheel has to be replaced by a complete new disk brake wheel. If there is more space available, a brake disk only can be fitted to the existing wheel hub, after removing the shoe brake assembly.

Approved retrofit kits, where the existing shoe brake wheel is replaced by a new disk brake wheel or a brake disk is fitted onto the existing shoe brake wheel.

Retrofit Kit to upgrade to Hydraulic Disc Brake:…Discus a,b, 2a, bT and bM…Ventus a, c, a/16.6, b, b 16/6, c, 2a, 2b, bT, cM, cT…Mini–Nimbus B, C… to Disk Brake including the following parts:…1) 054111, 4″ wheel wheel 110–20 modified.

Please allow approximately 4 weeks delivery time for your TOST Retrofit Kit.

Required Work

Required work: Installation of the wheel unit, brake assembly and master cylinder with reservoir, laying of hydraulic hoses, filling and bleeding of the system. We may recommend you to contact the responsible inspector before you start the process of modification. Thus you can coordinate the procedure of a “single piece” approval through the EASA if required. If you have only little experience with hydraulic systems, we would recommend to contact an appropriate work shop to have done that modification.

Aircraft Tyle Disk Brake Wheel Approval
Discus a to Discus 2a
Ventus a to Ventus 2b
4″ Classic 110–20 Tost EASA Minor Change Approval

History of TOST

TOST has more than 60 years of experience in the development and manufacturing of aviation safety equipment. It's a family business – run in the fourth generation – they stick to the motto: Conserving the well–proven system – Developing forward.
The cornerstones of their corporate policy are:
Customer satisfaction is their highest goal. The customer is the king – he should like to come back – and not like to send the product back.
Since 1969 TOST holds a LBA approval as Design and Production Organization. (LBA= German Aviation Authorities). In the meantime, all approvals are issued by the EASA. In yearly audits through the aviation authorities, the compliance with quality standards is checked and kept record of. Over and above those official regulations, they live the quality thought in their every–day work.
Modern manufacturing techniques, economical resource management and the long lifetime of TOST products are their contribution to the protection of the environment. Gliding is an ecologically friendly sport.
Long standing relations to their customers, suppliers and employees stand for the continuity in their company.


Why Buy From Us?

Wings & Wheels has been serving the sport aviation and soaring community for more than 20 years.  We have the largest and most comprehensive inventory of sailplane and soaring supplies.  Nearly everything you find here is in stock and can ship the same day.  We are here for aviators, businesses, mechanics and government.  Our goal is to fulfill your order promptly and as conveniently as our resources allow.

Wings & Wheels is proud to be the American representative for HpH Ltd, producer of the finest quality 304 sailplanes.

Our staff has over 8,000 hours of flying experience in gliders and airplanes. Wings & Wheels is staffed by Sean, Garret, Miki, Matt and Linda. You will have a friendly voice pick up when you call. Our staff is trained to promptly take your orders and ship your products.

Shipping Information

Same Day Shipping

Orders placed by 3:00 pm PST Monday-Friday for “off-the-shelf“, in-stock items are normally shipped same day by UPS.  Although we stock the vast majority of the items on our online store, we cannot assure that they will all be on hand at all times. We ship every order as quickly as possible, and in the event of a delay, be assured that we are working hard to get your order shipped promptly. Due to order volume during holidays, we cannot guarantee that all orders placed can ship on the day after the holiday closure. 

Orders for special cut products may take a few days to ship depending on order volume. Special order products ship based on the lead times of each manufacturer. 

Shipping Service

UPS LogoUPS Shipping

UPS orders will need to be placed before 4:00 pm EST and 4:00 pm PST Monday-Friday to ship out the same business day.  We apply UPS retail rates to calculate shipping costs.  Packages may not qualify for actual wieight due to size.  If dimensional weight is applied by UPS your shipping & packing rate will be adjusted.  Packages are only insured aganst theft if signature delivery is accepted.  Request signature delivery.


Priority Mail & 1st Class order has to be placed by 11am. We will use the flat rate box service if your parts fit in the box and the service cost is less than USPS Priority Mail. USPS may not always have tracking information available.  If you request lower cost USPS shipping you agree to accept all responsibility for lost, stolen and damaged packages.

Delivery Timing

UPS Ground Delivery

USPS Delivery Timing

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