Thursday, 12 March 2020

The Chain Again


 
As I predicted, two weeks hence, the chain tool tolled judgement day for my Univega’s chain. The blend of flooded, silty roads, wet lube and long, steady miles had done the deed. I was rather hoping this would coincide with the arrival of a 38 tooth CNC machined ring, but hey-ho.  

No sense shortening cassette, derailleur and ring-life. Since I’m running a 1X setup, ring wear is less of an issue compared of a double, or triple. A few minutes rummaging in my freshly reconfigured transmission spares bin and I emerged triumphant, with a nice shiny KMC.  

I know a lot of folks like the “magic links” and they can be super-convenient. I just prefer the security of a traditional pin, so pruned and joined accordingly. This served to highlight a very palpable, matted layer of wet lube and accumulated contaminant engulfing the cassette.  
Out came the Juice Lubes Dirt Juice Chain Cleaner https://www.sevendaycyclist.com/juice-lubes-dirt-juice-chain-cleane

Transmission stripped bare; I’ve decided in favour of a more basic middleweight ISO/PTFE lube. Less stoical than a wet lube but much cleaner, and March is looking less challenging weather-wise.  In any case, I will be switching to this Pro Gold Pro Link Chain Lube, which should be a good fit, season-wise. 

According to their blurb its  
A thin-bodied lubricant which utilizes metal friction reducer technology for smooth shifting and a quiet drive train. Does not build up or become tacky; sheds dirt, mud, and abrasives. Also repels moisture and prevents corrosion”. Will be interesting to see how it performs in the real world. 

Surprising just how much difference a new chain can make to the transmission. On many levels this is obvious, but the existing chain had only just reached pensionable, rather than being completely shot. Shifts were immediately snappier and more reliable. More remarkable was just how quickly weather and contaminant euthanised it.    

I’m still looking around for a 38 tooth 94BCD ring, which will afford a more seamless choice of gears. For years, Chris Bell produced precision-engineered bespoke elliptical and round rings but sadly, succumbed to prostate cancer in 2016. 

By the same token, while I’m keen to keep solid components going, a new, external bearing crankset, might prove the most cost-effective solution. Assuming of course, I can’t acquire a 5-arm Stronglight/similar at a favourable price.  

The other option is to plump for a smaller ring and road-biased cassette. I’ve run this configuration in the past. However, unless the former was seriously cheap, it would also mean replacing the cassette.  


A moot point, if both were edging close to retirement, but they’re not. While I love a well-stocked spares bin and the economics/horizons this presents, I don’t want to be hoarding heaps of stuff that are too much of a compromise (and thus won’t get used, let alone worn out).  

Rounding up the drivetrain theme, this Topeak All Speeds Chain Tool also arrived for testing. Aside from the industrial good looks, it includes a chain hook to hold the chain together while you drive the pin home.  
I was also pleased to note there’s a spare drive pin that’s threaded into the base. Not only does the design promise to tackle chains from single, through to 12 speeds, this includes Campagnolo 11speed hollow types.
  
This purging also prompted me to polish and wax the frameset.  
Grit can slip behind cables, leading to paint-chew. Protective cable rubbers and clear stickers/ “helicopter” tape are the simplest, most effective preventions. In my experience, thicker ready-cut frame protection patches are quite durable.  

Eventually, PTFE rich maintenance (and other solvent-based aerosol products, for that matter) will dissolve their adhesives-especially those around the head, seat tube and chainstays, inducing lift and peel. This time round, I plumped for a supermarket wax, primarily because it was within easy reach. Bargain basement but easy to apply, and supposedly suitable for all surfaces.   

Staying with cleaning a moment, Steve and I have been very impressed with Rock N’ Roll Miracle Red Concentrate Multi-Purpose Bike Cleaner https://www.sevendaycyclist.com/rock-n-roll-miracle-red 
An incredible versatile that will clean everything from scuzzy steeds and grimy hands, to carpets and clothing.  Those who want to add a little electrical assistance to their commute, or utility ride might be interested in our review of this Raleigh Stow E Way Folding E Bike   https://www.sevendaycyclist.com/raleigh-stow-e-way-folding-e-bike 

Saturday, 7 March 2020

Too Much Pressure?









There’s been no relent in the wet weather. Thankfully, my Univega’s dressed for foul conditions and mixed terrain service. Besides, I needed to test the mud-shedding prowess of these Wellgo MO94B pedals https://www.sevendaycyclist.com/wellgo-m094 and cast my own, personalised imprint in the Cycles Berthound Solour leather saddle. 

After 85 miles, the latter and I were in friendly acquaintance territory, 150 miles in and the friendship is blossoming. Regular feeding of the hide, using Proofide, or a similar quality leather preserve also helps accelerate this process. Once forming is complete, feeding need only be done every 6 weeks or so.  

Existing gearing was low enough to winch myself through the thick, boggy mud. However, I’ve concluded a 38 (rather than 40) tooth ring would strike the elusive sweet spot. Enough zoom for the flat and descents, just a little more grunt on the climbs.  

Production 5 arm 94 BCD rings are getting harder to source (although I am advised that Stronglight still list them). I’m not prepared to pay “classic” prices for NOS (New Old Stock) rings either. However, the existing Talon ring is in rude health and if something suitable comes along, brilliant, if not the gearing is, in the main, perfectly serviceable. 

While I’m delighted that high quality, small scale manufacturing/engineering is very much alive, sourcing products from Europe and indeed, elsewhere could become fraught with difficulty, come 2021.  

Unfortunately, highly skilled engineering and similar vocational education is (and has long been) regarded as a poor second to academic learning. A long-standing snobbery, which is neither accurate nor desirable.  

I graduated 25 years ago, during a recession. During this period, I was also keen on pursuing a new life in the Netherlands. I had a girlfriend studying there. Catching her aside her housemate (who had a 1st class honours degree), seemingly ingesting his enviable intellect saw any love for her evaporate, replaced by a strengthening bond to the Dutch.  

One thing led to another and I decided to check out the cross-country mountain bike scene there. I met an ex-pat and former banker who had relocated from the UK and retrained as a skilled machinist. Decent salary and standard of living, too. He’d never looked back. 

For the uninitiated, a skilled machinist operates machine tools to manufacture and repair precision equipment. It requires a solid understanding and application of mechanics, metals, layout and machining procedures. Apprentice trained engineers are life-lomg learners by nature and continuously develop their knowledge/skillset.  

The same is not necessarily true of University graduates, regardless of specialism-at least, here in the UK.  In the late 90’s, the UK administration introduced life-long learning accounts. A system, which was well-intentioned and originally aimed at people made redundant, when traditional industries collapsed.  

Unfortunately, this didn’t reach the intended/target audience, so it was quietly disbanded. It was recently resurrected as part of the Liberal Democrats’ election manifesto, and once again, been consigned to the vaults of history.  

Observing the patterns, I do not feel we will reach a point of total automation, where human labour/skills are made redundant but the skills required (and to some extent, legal/insurance implications) will need to change and it is quite possible that many people will be unable to make these transitions.   

These will not replace important “soft” skills, such as emotional intelligence, which are also incredibly important, in any role requiring human interaction. For example, a heating engineer who communicates well and problem solves on this level, is also likely to have more customers than one who is technically very competent but lacking in inter-personal abilities.   

I’ve been chatting a lot about handlebars in recent entries, specifically Soma Condor and Genetic’s D-Riser family. These are riser drops and some would argue, more specialist than required by some road-biased riders. Arguably, components on complete bikes should be proportional to frame size e.g. stem length, bar width etc.  

Similarly, there is a perfectly reasonable argument for making substitutions/upgrades at the point of sale. Tyre and saddles are two prime examples. This has changed slightly, given modern retailing- the switch to online, rather than physical shop consultations and purchases.  

However, unless something is obviously the wrong width/pattern/size, there’s an argument for running stuff a little while, then upgrading/replacing at a later stage.  At £30, Steve reckons the Genetic STV Road Handlebars are a great starting point for generic, road-biased riding.     https://www.sevendaycyclist.com/genetic-stv-road-handlebars 

Continuing my theme, some inexpensive but cheerful “Lifeline” branded tooling arrived, including this digital tyre gauge. Even though those fitted to most track pumps have much closer affinity to reality, getting pressures spot on gets the best from tyres and ride quality. Capable of registering 160psi, the digital is a little small, compared with a  Topeak Smartguage I had some 15 years back.   

However, in common with this premium quality SKS unit (that’s been loyal to me for a decade, or so), it features a useful backlight. Another similarity is the dual (rather than “smart”) valve head. There’s no denying the “Smart” type, which automatically morph to fit Schrader/Presta heads are super convenient.  

However, in my experience, the sprung mechanism is their Achille's heel, eventually going the self-destruct route. It also features a bleed valve, for quick tweaks and runs from the ubiquitous CR2032 button battery.  

Giving change from £10, it doesn’t feel fragile but it will be interesting to see how accurate and durable it proves. The backlight and valve light and similar features suggest it’s intended to be taken along for the ride.  

Given the price point, if it did take a bad knock, then cheap enough to replace. Nonetheless, I’m more inclined to carry an analogue model, such as this Revolution, since there’s no risk of accidental, battery draining engagement.         

There is a perception among some, that tough tyres “suck the joy out of riding”. However, this needn’t be the case. The Schwalbe Marathon GT https://www.sevendaycyclist.com/schwalbe-marathon-gt-tyres are relatively portly but still deliver a very smooth and relatively quick ride.  
I’ve had a couple of flats over the past few years and countless thousand miles. 800 odd grams is pretty much as portly as I’d want to go. Nonetheless, I’d prefer a few additional grams and reclaim riding time, over tending punctures on dark, rainy nights.