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Conversion kit ASTIR CS

Conversion Kit Astir

Sale Price: $1,915.00

SKU: 1143


Detailed Description

Kit includes:
1. Brake disk to fit the existing shoe brake wheel Bimbo Part# 057090 
2. Wheel bolts, 6 pcs. Allen screw M6×95 
3. Brake assembly 30-9 for brake fluid DOT 4 with anchor plate
Part# 075820 
4. Hydraulic fitting straight Part# 075830
5. Torque plate assembly with tension rod
and Spacer 35x30x18 Part # 055758 
6. Master cylinder type 7 Part# 058270 
7. Hydraulic hose 900 mm length Part# 058390
8. Hollow screw with copper gaskets Part# 058550
9. Support for master cylinder Part# 059510 
10. General arrangement drawing and instructions T9102-K
Important notice:
Before you decide to start with the modification, please check, if the wheel halves of the existing
shoe brake wheel are fixed together with 3 or 6 bolts. In case there are only 3 bolts, you need
additionally a new hub, in order to perfom the modification.
Required work:
Turning of the brake disk centering, fitting hub and brake disk, installation of master cylinder, laying of the hydraulic hose, installation of the wheel unit( fit the spacer), filling with brake fluid DOT 4 If you have only little experience with hydraulic systems, we would recommend to contact an appropriate work shop to have done that modification. This kit for Twin Astir is approved by Grob and will come with the relevant documents. (Letter from Grob with approval).


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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