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Item Description

This ad is for a set of 4 caliper mount sleeves/spacers to allow fitment of calipers with M8 mount thread to fork bottoms of bikes which as standard had M10 thread mount.  UK CNC manufactured from high grade aluminium and hard anodized.

Caliper Options

These spacers are typically needed when converting a Kawasaki with the 'early' Tokico 4-pots (with M10 thread and 63mm mount spacing) either to the 63mm mount Tokico 6-pots (from GSXR1000 K1/K2 or the GSX1400 only - other 6 pots have 90mm mount space), 63mm mount Tokico 4-pots from later bikes (ZZR1200, GSXR600/750 K1-K3, SV1000, GSF1250), or when fitting a variety of options of Nissin 4-pot calipers with 63mm mount spacing (if fitting Nissins you will need to do some 'fettling' of the inside caliper bodies to make clearance for the disks).

We recommend the Tokico 6-pots as the best conversion.  The 63mm mount versions are not easy to find, but we have new old stock items in the New Genuine Brake Calipers section of our eBay shop.

Mount Bolts

If your replacement calipers come with their OEM mount bolts you can use those, otherwise you will need high tensile mount bolts (don't use stainless for M8 mounts, bigger M10 stainless is strong enough for mount bolts, but M8 mounts need to be high tensile grade).  

If you need mount bolts please see the Bolts Banjos & Bleed Screws section of our eBay shop for M8 Mount Bolts and pick the length you need (we have M8x30mm, M8x35mm or M8x40mm).


Browse our eBay shop if you need pistons or other brake parts.
To discuss your requirements or our caliper rebuild services, please contact us.

  • UK BASED COMPANY
    We are a specialist UK Based CompanyShop With Confidence
  • Fast Delivery
    We provide rapid dispatch to ensurethat your item arrives quickly
  • Five Star Service
    We’re dedicated to providing a 5 starservice. See our feedback

BrakemastersTM is a trading arm of Powerhouse Automotive (UK) Ltd, based in Chesterfield, England. We are UK and world leaders in motorcycle brake caliper rebuild services and seal kits.

Specialising in motorcycle brakes for years, we have developed an unrivalled range of components and application knowledge.

At Powerhouse we also supply uprated supercharger pulleys for Jaguar and Range Rover cars, rebuild services for Eaton superchargers used on these vehicles, and a range of bearing kits for home repair.

We are also official agents for Highpower Wizards of Nos nitrous oxide systems, with 25 years' enthusiastic experience of nitrous injection.

We accept payment by PayPal on eBay transactions.

If you do not have a PayPal account, please contact us directly for payment by bank transfer or credit/debit card.

We do not accept cheque or postal order payment.

Dispatch: If you order and pay before 2pm UK time, we will usually be able to ship your goods same day. Weekend orders (2pm Friday onwards) cannot be processed until Monday.

Delivery Estimates: We always post items without delay, but PLEASE be aware that eBay publishes delivery dates which are estimates based on target performance by the mail services. Those dates are NOT guarantees, they are 'best possible', and actual times can be much slower.

UK Customers: UK 2nd class small packet post can take a week. If you need your item fast, please select 1st class post or Special Delivery.

Overseas Customers: Irrespective of eBay estimated delivery dates, international post can take up to 3 weeks depending on how quickly items are processed when they arrive in your country. We have no control over this, so please try to accept that we are not responsible for slow post.
In particular, mail to Australia, New Zealand, Canada, Italy, Spain and Portugal may take just one week, but more often takes 3 weeks or more.

Overseas Tracking: Standard economy airmail from the UK is not a tracked service. If you require tracking, please select the additional cost services at checkout.

We accept returns up to one calendar month after you ordered, even if you have just changed your mind or ordered in error, but unless there is something wrong with the item, you need to pay the return postage cost.

If we have sent an incorrect or faulty item, we will of course cover reasonable return post expense.

Please ensure that you have ordered for your correct model and year of vehicle. If in doubt, feel free to contact us for advice by eBay message, email or telephone before you place your order.

We recommend you have items fitted by a qualified professional mechanic, and cannot be held responsible for faults which result from incorrect fitting and assembly.

Please contact us via eBay

Office Hours:
Mon - Fri 9am to 5pm

Mon-Fri 9am-5pm, Sat 10-12pm, Sun closed
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