Showing posts with label fixed gear chain tension. Show all posts
Showing posts with label fixed gear chain tension. Show all posts

Monday, 23 March 2026

Waxes & Inner Whippets


 







I’ve been pleasantly surprised by the KMC Go wax chain lube. Arguably a chain manufacturer of their magnitude would be expected to produce a decent lube. There are some limitations and I’d still say, in keeping with the Weldtite Wax Weldtite Wax Lube | cycling-not-racing  it’s a fair weather, three seasons lube. One that copes better in damper conditions than typically associated with wax formulas.

Wild and windy weather aside, conditions continue to become more spring-like, prompting me to switch Ursula back over to the CST Patrol CST Patrol Folding EPS Tyres | cycling-not-racing. An easy switch, or so I thought…A seized, or at least recalcitrant front Spyre SLC calliper prompted a strip and clean. I switched the pads since I was there. The existing pair were ok and good enough as contingencies-I just need to gently sand some light glaze and similar crap from them. 

Continuing this waxy flavour, Muc-Off waved their Dark Energy Chain Wax. Claimed to be four years in the making and suitable for road, gravel and mountain biking. Made from “plant-based biodegradable waxes” and free from PFAS and PTFE. It’s a dropper wax intended to narrow the gaps between dropper and immersion types. The latter, as the term suggests are where the chai is immersed and left in the wax, refitted afterwards. Not a new concept by any means and “baking” chains was once popular in motorcycling circles.  

Sigma sent me their Nyte Clip and Nyte 70 rear lights. Starting with the Nyte Clip, this is designed with versatility in mind and it’s not cycling specific, which isn’t always a bad thing. it can be attached to rucksacks, bike luggage, clothing etc, so also lends itself to hiking, walking, trail running etc.

It’s a very compact, some might say bijous measuring 52x21x21mm (width length height) and uses COB (Chips on Board) technology-36 diodes in this space is impressive and the 220degree projection continues tis narrative. There are six modes in total-two steady and four flashing (70, 80, 95 and 100lumens), with a maximum run time of 10hours in the 20-lumen steady mode from a full 90-minute charge.  

Sigma claim its visible to 500metres and this is very plausible, judging by what I’ve witnessed from the flashing modes on some bright morning rides.   By contrast, the Nyte70 is cycling specific and features braking and emergency braking functions, meaning it emits a very powerful blast of light when it detects steady, or rapid deceleration. It also employs COB technology, although this time 20 diodes share the space.

It also features an auto mode, which brings the light on and chooses output according to ambient light sensors. In auto mode the braking and emergency braking functions don’t work. There are five others, which seem considerably brighter than figures would imply. The high steady is only 9.5 lumens, the low steady 5.5, day flash 30 lumens, night flash 7.4 and the eco flash a mere 3.

However, its considerably brighter than I was expecting. Without seeing the figures, I believed the day flash to be around the 70-lumen mark.  Eco flash is claimed to return 20 hours from a full charge, night flash 8 hours and the day flash 6, which might not be astonishing, but gives reasonable scope for longer rides.

There’s an integral charge life indicator- green denotes full to 20% blue denotes 19-10% and blue flashing says you’ve dropped below 10%.  It can be mounted vertically, or horizontally, on a seat post, the saddle rails, seat stays and indeed, some racks.      

Elsewhere, I recently dropped processed sugar, or at least as much as I could from my diet and am generally feeling much better for doing so. Chocolate, sugar, cakes, deserts etc all gone. While intellectually I am someone of nuance, with some things I am all, or nothing and just need to stop wholesale, rather than “cutting down”.

I've certainly noted the benefits in the saddle, being able to accelerate and climb quicker, without fatigue, or sluggishness. The Coospo CS600 head unit with its comprehensive readout including calories consumed is certainly fuelling a desire to push myself a little harder. The radar function is also very welcome during blustery rides, and the ANT+ communicates seamlessly with either the brands' own TR70 or BBB radar taillights. The two faint green lines and widget in the left corner, coupled with audible beeps announce when vehicle(s) are approaching and their proximity.

I'd a few Garmin light mounts bouncing around the bodge box, but they were a little flimsy, so I bought two auction site cheapies for Muffin and Ursula, meaning I could simply port the CS600 between them. I had a Magicshine mount, but it was way too lofty for my needs. Buying two was cheaper still, since I wasn't paying postage. One affixing to the stem bolts was an option, but would've placed the CS600 (and indeed, other equipment) too close, especially given Ursula's very stubby stem.  

I found myself revisiting rings for Muffin- get something inexpensive and solid as a staple for next time and I also began contemplating replacing Denise's cassette for an 11-28 next chain switch, since that's the Tiagra rear mech's maximum capacity and would provide a little more winching prowess. In terms of ring, I couldn't find anything suitable- I was thinking sturdy, rather than exotic. A 42 tooth Gebhardt ring seemed the obvious choice. As for the cassette, I was sure I had a Tiagra 11-28 squirreled away somewhere, but at this stage, there's a few months before this becomes pressing.  I’ll close here with my review of the Coospo TR70 Radar Taillight Coospo TR70 Radar Taillight | cycling-not-racing

Monday, 19 May 2025

Muffin Racks up The Miles


 







Having tweaked the chain tension and tightened the ring bolts to 10nm, I was feeling more confident with Muffin and keen to gently rack up some miles to bed everything in properly and possibly reflect on further modifications/upgrades. Frankly, I’d built with everything I’d intended, rather than older parts and compromises.  Consumables such as chains, sprockets and bar tapes will be replaced but nothing major.

After some deliberation, I found myself pruning the chain by two links, sliding the frame forward in the dropouts and getting the chain play to 1/2inch, which is the textbook suggested ideal. I also found myself replacing the inner brake wire, then dialling in the TRP Spyre, which improved stopping somewhat. Presented the ideal opportunity to play with the Park torque wrench some more.  Simple tweaks can often make huge differences. I also run a little scrap butyl where the frame fit pump rests against the top tube’s underside, protecting it from unwanted rub and ultimately, paint damage.

Though the V2 was always fun and predictable, Muffin’s bigger clearances, improved lateral stiffness and general modernisations make for a very well-balanced machine with a magic carpet ride-especially with the Continental. These clearances also mean I can run 35mm Schwalbe Marathon Winter (spikes) during the darker months. Features that better suits my riding style. That said, I remain fond of the V2 and its geared, first generation Kaffenback (Think CafĂ©’ & back) cousin (which would also take 32mm tyres including mudguards). Think winter/trainer cum working bike, although some folks report theirs were reliable lightweight tourers- I can well believe it.

Talking of small jobs, shoe cleats are often neglected, and these Shimano had served me very well but were showing obvious signs of deterioration. Mercifully, the bolts, though slightly arthritic came away with a quick shot of Muc-Off MO94 Muc-Off MO94 Multi Use Spray | cycling-not-racing. I had thought one wasn’t going to budge, calling for the drill bity but thankfully this also shifted with a T25 Torx. I instated the new Leatt cleats with a liberal helping of Oxford Toque Assembly Grease Oxford Mint Assembly Grease | cycling-not-racing and torqued them to 4nm using the Velo Tool Torque Wrench.

 I’d also been keen to test the effectiveness of some degreasers on waterproof grease. Ironically, Ursula’s Shimano XT seemed slightly reticent to budge. A quick shot of MO94 helped with this reticence. Some Park Tool PL1000TESTED: PARK TOOL POLYLUBE 1000 LUBRICANT FOR BICYCLES still remained on the threads, which is impressive, since it had been a year or so since I removed them. I treated them to a modest helping of degreaser, reinstating them with a liberal lick of Oxford Torque Assembly Grease. 

Ursula and I have also been enjoying further exploratory meanders far from the maddening crowd. The CST Patrol is running behind, the Continental Cross King Black Chil up front. There’s a method to this, primarily since the CST Patrol are slightly narrower, thus giving greater clearance at the rear triangle. The Patrol are also 80g heavier than the Cross Kings and I’m wondering if this has any connection to the EPS (Extreme Puncture Safety) belt, which is 4 on CST’s scale. It also allows me to compare rolling resistance and similar performance characteristics.

 I’m genuinely impressed by both at the moment and in similar contexts, although there’s a substantial price differential between them. The Patrol (at least in 26inch guise) aren’t tubeless ready, which may be a consideration, nay dealbreaker for some. I can appreciate some very palpable advantages of tubeless setups but on balance, still prefer tubes, whether the humble butyl, or TPU.   

 Either way, both tyres are providing a dependable, compliant ride over some very badly surfaced gravel roads and farm tracks. Longer excursions also confirm I’ve got Ursula’s saddle height absolutely right.