Wednesday, 22 March 2023

DIY Mount & Deore











 Large-scale manufacturing is very much a thing of the past here in the UK. There is a sense in which the nation still yearns for this, possibly as an antidote to a palpable sense of managed decline.  

There also seems a romanticised idea of the post-war period, and a yearning for its return. Hmm...petrol rationing, communal outdoor toilets, no, or extremely limited access to contraception, abortion and widespread austerity...Be careful what you wish for... One of those things I often reflect on, through the dark lanes in the wee small hours. 


I’ve always been very drawn to highly skilled people-their intelligence, humility and eagerness to learn is very infectious. Now, the relevance of this backstory? Finding a suitable mount allowing the TRP HYRD to fit a fork’s IS mount. John Moss and I were discussing our respective projects- he's been upping the gearing range on his beloved Mango.  


He seemed confident and moreover, offered to make a mount from stainless steel. I had an appointment in the midlands that week, so popped the TRP HYRD calliper, red mount, and severed Kinesis fork (as templates) into a box and 18-year-old but much-loved Specialized messenger bag. 


Upon my arrival, he ushered me and my stash to the garage and then, to the workshop. I had my trusty compact camera in pocket, so took various shots in alternate positions for John to refer to. Nonetheless, John remained convinced he could machine something bespoke, from stainless steel. 

 

He’d trace around the red mount and possibly mill some slots for a precision fitNow, this wasn’t urgent- the TRP SPYRE SLC were in good health and highly functional and I didn’t want John feeling under pressure or distracted from his own projects. However, I don’t like things that aren’t ready to go, as and when I want/need them.  


Life and sometimes ideas can be cyclical. Six years since I went the 1x9 route with Ursula After The Gritters Went Home | Seven Day Cyclist and two since I switched to a Hollow Tech II crankset, I found myself contemplating a double. Serendipity had someone waving a new 36/26 175mm crankset and braze-on derailleur under my nose for a ridiculously keen price. Decision made... 


I’d a new left hand Microshift bar con, inner and outer cables, chain(s) and indeed, an STX front mech. However, this was from the original build, and I didn’t want to get side-lined by something that wasn’t going to plug and play. Make no mistake, a lot of components will adjust nicely...  


Being a 7 speed MTB mech, the pull wouldn’t be an issue, and the travel easily restricted but I thought it best to get a compatible contemporary model and keep the STX on the subs bench. 


I also had a Microshift and Sun Race front mechs (double), but these were braze- on, requiring a suitable aftermarket clamp and, being road models, were bottom pull, thus requiring an adaptor. I’d be into £30 on those alone.  


Now, I could always whip the 28.6mm STX band on clamp over to the Deore but I didn’t want to start cannibalizing stuff. I was tempted by a BBB Shift fix, but these weren’t available in 28.6.


Thankfully, M Part does. M part is Madison Cycles' in-house range and, in my experience, nicely executed. It may also mean removing the serrated section of the rear mudguard (its deliberately engineered for this purpose). I’d run bar con shifters on Ursula’s original build (Deore XT) so knew the left-hand Microshift would be fully compatible.

  

I also took that opportunity to prune an outer housing to length, making the switch cum upgrade that bit quicker. I put some helicopter tape around the seat tube, where the front mech mount would sit against the paintwork. A bit OTT perhaps but rules out marking paint, when adjusting the mech’s height/positioning.       

 

As a side note, I’ve always liked Deore and STX/RC groups. Good performance-to-price ratios. Finish is generally decent, too. Smart enough for pretty builds but rugged-great for daily drivers and working bikes. What’s the best bike? Is a question so commonly put to shop staff. The best bike is that or those that meet your riding needs. The same applies to components- horses for courses, essentially 


Good planning and preparation are key-I've even found these KMC magic link pliers, which I’d had for a decade, or so but believed lost during the last move. I’d secreted them inside a Lezyne pannier of similar heritage. Even with the stock 11-25 cassette, I’d have a range between 26.8 and 84.3 inches. With an 11-28, I’d be looking at a bottom gear of 23.9. However, I have a quiet (possibly unfounded) concern this would put the Tiagra mech under potential strain.  


Might be a red herring but I didn’t want it imploding like the Sun Race and Micro shift did-at the least convenient moments. Not that there’s a fun time for a component’s expiry. In terms of chain length, some sites suggest I will have no issues with chains of 100 links, but this seems a little short to me. I’ll go with the existing 110 and place a little less stress on the system.  


I’ve decided to wait until the unseasonably wintry March and potentially awkward start to April pass- no sense giving the new components unnecessary exposure to the elements. It also means I could switch to the fixed gear winter trainer, should I need to “pause” with Ursula’s upgrade. That said; I’ve switched the spikes in favour of the Maxxis Maxxis Overdrive Excel Tyre | cycling-not-racing (sevendaycyclist.com) and reached my CST Xpedium CST Xpedium Tyres | cycling-not-racing (sevendaycyclist.com) conclusions.   


Why not a triple? Well, simply put, this would be excessive/unnecessary and a chore to keep harmonious year-round. A 26-inch (or 23.9) gear is more than sufficient torque for most gradients and contexts the old girl and I are likely to meet. 84 inches is tall enough for bombing without blowing knees, or spinning myself into another dimension-although some might suggest that might be desirable, given the UK’s present trajectory.   

 

I’m holding on to the single ring deore but I’ve decided it’s time to move the 170mm, Shimano Zee, since it’s a downhill crank and surplus to my requirements. Right, time for a change of lube... 


Wednesday, 15 March 2023

Cagey











 This Super Sparrow lightweight thermos bottle arrived and having established incompatibility with broadly standard, composite cages, I decided it was time to revisit Ursula’s downtube setup. I’d gone for the Fidlock Magnetic bottle holder TESTED: FIDLOCK MAGNETIC BOTTLE HOLDER AND BOTTLE (sevendaycyclist.com) and popped a chain checker there- a talking point for some, while still leaving me scope to mount a couple of composite cages on the underside and seat tube.  

This didn’t overly impair my ability to carry water/similar fluids. Now, I’m very fond of the Topeak Modula XL and the now discontinued BBB Fuel Tank XL LONG-TERM TWELVE MONTH TEST: BBB FUEL TANK BOTTLE CAGE (sevendaycyclist.com) cages, since you could whack a 1.5 litre bottle of mineral water, or indeed a similar soft drink in situ, without fear of their ejection (or indeed, knackering a traditional cage).  


However, they will often prevent mounting one on the seat tube. The Free Parable Monkkii Cage FREE PARABLE MONKII CAGE REVIEW (sevendaycyclist.com) is another useful choice, provided you’re not lugging too much weight. 1.2 kilos (as distinct from the 1.5 kilos cited) which should entertain a full 750ml (about 25.36 oz) flask or bottle. An obvious “from the box” solution. I’ve hauled disposable Argon/Co2 welding gas bottles in them, although placed some bubble wrap between cage and bottle to rule out any potential dings in Ursula’s down tube.  


However, to my astonishment, both the BBB and Topeak were too roomy to hold the (bottle) securely. After some rummaging through the cage stash, I whittled it down to a Van Nicholas titanium (Elite Ciussi pattern), a side entry Zefal and this Boardman winged carbon fibre design.  


Lo and behold, the Boardman wonThe main issue with the 6061 and Ti models boiled down to scratching the bottle’s finish. I’d bound some old bar tape around the Van Nicolas and strangely enough, that spark of inspiration proved fruitful.  


Then, along came this Topeak Modula Java.  

It’s an adjustable composite model, which on paper should lug the thermos in question without missing a beat, or launching it mortar style at the first hint of lumpy trail. I also received the brands’ Gravel 2 Stage Mini Pump, which as the name might suggest has two modes- high volume and high pressure, so you can recover from a flat efficiently.  


90psi is top whack but aluminium construction bodes well for longevity and means it stands a sporting chance of hitting these pressures. In some respects, mini and midi pumps have ruled the roost for good reason. Aside from supporting a clean aesthetic, being stashable in a jersey pocket, or bigger wedge pack means the valve end needn’t get caked in crud.  


Many road-biased riders use Co2 as their first line of defence, pump second. Makes sense, especially if you’re needing lofty pressures, although bear in mind you will need to reinflate given though Co2 will rescue you, it will escape butyl much faster, so expect to be busy with a track pump the next day, as they’ll be close to pancake flat. Many mini-pumps will genuinely achieve road realistic pressures too, although, around the 100psi mark, my biceps have felt close to comedic explosion.  


I still have firm fondness for Lezyne Micro Floor Drive HVG (High Volume) and high-pressure models, which resemble track pumps that have been put through a matter-shrinking device. CNC machined construction marries strength and great looks but they’re around 216g (including mount) and on mine (c. 2015) their composite mounts felt a little whippy, meaning the head could rattle against the seat or down tubes “Woodpecker” fashion when riding across washboard tarmac and of course, dirt roads.  


Placing “helicopter” tape, such as this Zefal Z Armor ZEFAL SKIN ARMOR ROLL | cycling-not-racing (sevendaycyclist.com)  over those areas of the frameset will deaden this, while protecting it from potential finish damage. Talking of protectants, I’ve been pleasantly surprised by how well the Weldtite Rapid Ceramic restored the anodised finish on Ursula’s faithful Lezyne Tech Drive HP pump   

 

In my book, frame fit pumps still have their place and hugely different from the giveaway models sold with complete road and touring bikes 20-30 years ago. The sort that might deliver 60psi with herculean effort before locking out uselessly, or worse still succumb to a bent piston.  


Steve and I are very fond of the Zefal HPX High Pressure Frame PumpZEFAL HPX HIGH PRESSURE FRAME PUMP | cycling-not-racing (sevendaycyclist.com)  and I find them aesthetically pleasing on an older steel-tubed road/touring build. These tend to be Presta but could tackle a Schrader valve, more commonly found on trailers/tagalongs with an adaptor, like that belonging to the Merida multi-tool I’ve resurrected.  


Then of course, there’s the Specialized that I acquired back in the late 90s and ultimately euthanised itself beneath the wheels of a passing double-decker London bus. I was offered one recently that “appeared to be working” and mine for £44. I laughed like a hyena and went about my business. In common with Kirk Precision framesets and of course, Specialized’s Rock Combo, I’d give it a loving home but not paying fancy prices.