We have sorry to announce that Mike Summerfield has recently died. Mike was one of the three Summerfield Brothers who established Summerfield Engineering in 1967 

RIP Mike Summerfield 

Mike was one of three brothers, Mike, Roger and Jerry who founded Summerfield Engineering in 1967 producing Summerfield Manx Norton's and ridden with great success by the likes of Jerry Summerfield, Colin Breeze and Lea Gourlay. Summerfield Engineering also sponsored the Summerfield National Championship, forerunner of the current ACU Classic 500 Championship. 
 
f you'd like to leave a comment or memory of Mike Summerfield, please click on the Book of Condolences section at the bottom of this page.  
Mike is pictured here in the 1990's, presenting the Summerfield 350 Trophy to championship winners, standing next to Phil Sharp (left) and our very own John Davidson (right), with Duncan Fitchett on the far left. 
 
Funeral details: 
Date 18th February 
Time 11.00am 
Place St Giles Church, Starkholmes, Matlock, DE4 3BZ 
Wake Whitchurch Hotel, Darley Dale 
 

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On 8th June 2026 at 14:16, Martyn Hartshorne wrote:
So sorry to hear the sad news RIP Mike had some good times up at Darley moor and Mallory calling round for a cup of tea when passing in the lorry carry on with the spannering where. Ever
On 4th June 2026 at 16:13, Oliver Schleifer wrote:
I know the Summerfield brothers very well when I raced with the CRMC in 1996/1997. Especially with Jerry my dad and me had a good contact. Mike was more the man behind the scene but always a very friendly person. R.I.P. Mike.
On 2nd February 2026 at 09:00, floyd miles wrote:
I only had a few dealings with him regarding engine spares but must say so knowledgeable and absolute gentleman to deal with .
On 27th January 2026 at 20:36, Sue Wale wrote:
Pictured with Duncan Fitchett and Phil Sharp. Always used to bring me biscuits and cake from whichever B&B they were staying at. A real gentleman, he used to tell us about their engineering business. They always had kind words for the marshals and time to chat. They were generous to their sponsored riders and the club.