Today I gave Bumble B a well earned overhaul & cleaning. It's been a tough week for the B as since
All Night Monopoly Ride last weekend I haven't been able to do a proper maintenance cycle on him.
Since that ride the weather has been pretty crap. His had to deal with just about all the elements, wind, rain, icy snow, frost & salt on the roads too.
Today was his day for some TLC again
Cleaned up his rear cog, chain, crank-set, front hub & a surprise in another post.
As you can see from the photo below my front chain crank-set needs changing, the teeth look like they have been slightly "melted" in places.
As part of his major upgrade plan in the coming weeks I will be sourcing the new 2013 Brompton crank-set for him which has a replaceable chain-ring which needs no special tools to remove. The current one you have to remove the whole crank and arm, the 2013 version the ring itself is a separate and can be easily changed out.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2VQhUcSfZU6nCIRwUsLxMJsJIVYMz3dui3LUT0qZODy-TIiw5hiGHG-ZMGu1JJc7NI4bcohoU8-4ZD9snEBh0tWEnr2_JC1AyUmSmuesejgKooF8rSse7qfEBvQyxsVZ8wHd6ePv3xIOm/s320/P1090547.jpg) |
Well worn crankset |
Then I moved onto the rear wheel and took apart his rear cog and giving it a good cleaning, I already had a 14T rear cog I bought awhile ago but never used so I thought I'd put it on to see if there was any difference.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGYlo9lZ_vgFGj_B4I9GTZi-9oVXQJ5XaGGcaH18HmVOpC_rG0w3so7xuoeLuRnhOGpd5FOGctCBZdYX__QaDVwyTmpNsdym1zW3IDaspd_1cYxR_qwQBOiRpwZmCr8oZ-skbL7X3FPEGz/s320/blogger-image-456149712.jpg) |
14T rear cog(New) & 13T (Old) rear cog |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhD8oPRkzHO26slfhNklGdHXUU3hk4U_jK-QwH0rz68DtDe1GycKdjC5Y05qCz0dF06OkiLT_VrDxkE-PswHCXSVGbnV2o9XDFP483nSxK_1wlFRLTwBoA4vSWjocCz9mYAxOGqDu7D9j_A/s320/blogger-image--348952989.jpg) |
Rear Sprocket cleaned |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4MaJw_puLz7rXTjtrQGoVi7Y8d0brmVnEAXWbioQoIcES_0WqqQlnoddctI0fjclzWWpWOqmeiWquEu1EJwzH3R1YgCWXC1KIpY7lQ_bwokk-VNB4fsuIvk88XsoyFUhT3JyyarOl_Kxk/s320/blogger-image--2088974220.jpg) |
Rear hub with cog removed and cleaned |
All back together and no left over pieces >:D
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgM6mMI1q8oq70Pcz-2kmsC5lUyRRBzrPqTD6hjsd-7vgboUIX7wS_A4hcRHeusR2OSbbmNSlO_BV9ftvAEdMVnZn72f5uCRYcARgRJwpXU0zsjc6yNO_VC7gJn4I-92-KV3FZxMoFRANSy/s320/blogger-image--1798992496.jpg) |
14T Rear cog on clean rear hub |
After that the front wheel and hub is easy, but DANG look at how mucky it gets, no wonder Bumble B was feeling slow. Once again I shall be upgrading his front wheel and getting the new 2013 light version which has a sealed hub, so no more mucky front hub cups :)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1NiHmASgc6jX7XIb9-TYW0p2PWjvAgWj9MU71sXUjztSFU9EWjqXulWKwhYVMoGX8WrfqJUREln_IhTDWxRxtrjxlQHVZ1y0tHKwl4z6Mp2C7XeDLpGYE_TJ3ZXPQAhY41EHrOJfONUQi/s320/P1090558.jpg) |
Mucky Front hub |
Good cleaning and re-greasing and its running smooth again
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJlYiPAAjtsax_uFLWvajRM21g0K_5Eh3ZecZr-UIoH8IeZXry_qSo0-nOeyaNm7liWcErGKcIOGRIdRODAN0ZiOIstD3oVm10O4IzwVVyWZ4xCB7GemhRRT4HAoupWcRjag2BEKIOpxSK/s320/P1090561.jpg) |
Cleaned but slight pitted hub cups |
This is something I do to Bumble B after bad weather for the most part if not atleast every few months. The big difference after a good overhaul is amazing. He runs so much smoother after a overhaul like this.
Go on give your Brompton some love, you know you wanna........and I had a little surprise for him after, check in the next post
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