Monday, 29 September 2025

Falling Leaves & More Lumens


 










The roads lanes and trails are increasingly carpeted in leaves, horse chestnuts and acorns. I love autumn and always have. The wilder winds continue to bestow us with interesting lights. Gaciron has sent me their Cetus and Loop lights. The 1700 lumen Cetus bears striking resemblance to the Magicshine Evo 1700 Underneath Light Magicshine Evo 1700 Underneath Light | cycling-not-racing tested last year, so it will be interesting to see how the two compare.  

The Gaciron tips the scales at 269g, the Magicshine is smaller and slightly lighter at 216g all told, scotching suggestion of badge engineering. Both offer 1700 lumens, employ “cut off beams”, like those employed on car headlights and are designed to be mounted beneath the bars.

The longer brackets might lack the aesthetic purity of some, but I’ve found them a better fit with bar bags, where compatibility hassle can arise-especially with the capacious bike packing types.

The cut-off beam patterns are becoming increasingly popular and for tarmac duties, I’m forming the opinion they’re a plus point. However, a dual flood and spot system rules the roost when you’re venturing away from asphalt, or indeed down some very lonely, singletrack lanes.  Both have wireless remotes as standard, which is very welcome, the Magicshine HORI employing an integrated rechargeable cell, the Gaciron a disposable CR2032. Both have their pros and cons and playful testing confirms they will not command the other.   

As for the Loop, this is a six-mode rear light capable of producing 100lumens. As is the trend these days, it features a “braking” function, which I’m pleased to report, can be disengaged. IPX6 for weather resistance and a CNC machined aluminium housing bode well for durability.  Aside from post, there’s a saddle rail mount and I’ve found the post mount will also entertain thicker diameters of rack tubing.  The mounting hardware, plastics specifically feel lower ren than some but is nonetheless, sturdy enough in situ.

Talking of durability, after a few weeks and a fair bit of trail action, I’ve given Ursula a thoroughly good deep clean and waxing, stripping any residual, filmy remnants of Weldtite Wax, replacing it with the latest version of their All-Weather Lube. Mysteriously the right bar con shifter decided to go on strike. Nothing a minute slackening of the tension and turning of the rear mech’s barrel adjuster couldn’t correct.

Although not ideal, one of the definite advantages of bar end shifters is the ability to switch to friction, should circumstances dictate. That’s not to say that I don’t like brifters-in the right settings, they’re very pleasant to use. However, their complexity renders them vulnerable in a spill and by definition, stuff wears out faster.  

Not ideal on a rough stuff tourer, drop bar mountain bike and I would also argue, gravel bike. However, all these constructs mean different things to different people.  That sorted and a couple of hundred miles with the All-Weather Lube, I got curious and whipped out the chain checker .6- .7 means Great Bike Shop in The Sky for 10speed chains.

Since opportunity presented, I gave the drivetrain a good exorcism, then fitted a new KMC X10.Shifter blip aside, changes were smooth, right until replacement but beyond a certain point, it’s amazing how much difference a fresh chain makes-confirmed by a sweep of the block on the work stand. Another little job off the list ahead of the potentially wet and unforgiving months ahead. It’s always cheaper to replace a chain than allow a worn one to consume ring(s) jockey wheels and cassette.   A great opportunity to test out the Oxford Chain Scrubber. Formative impressions are favourable. Much comes down to a combination of tenacious bristle plot that grips the grot and an unexpectedly ergonomic handle.

 

I’m still Running Denise’s X10 on the Weldtite Wax Lube, since it’s been drier and I’m interested in seeing how it performs on a geared build in drier, sometimes dusty contexts. Switching to a shorter stem was definitely the right move and the Profile quill stem converter, perhaps unsurprisingly, seems much stiffer than the auction site special, which is another definite plus. I’ve concluded there’s no call to place spacers beneath the stem. Aesthetically, it doesn’t add much and there’s no engineering grounds for doing so, either.        

Progressively cooler temperatures have seen me reaching for long sleeve, super tactile Merino blend jerseys and when the harsh winds blow, a gilet too. ¾ lengths and full finger gloves are my other defaults and generally this ensemble serves me well, at least on early morning outings when the mercury’s slow to rise beyond single digits. Talking of digits and purchase, here’s my review of the M Part Primo Anti Slip Silicone Gel Bar Tape  M Part Primo Anti Slip Silicone Gel Bar | cycling-not-racing

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