DIY Gravel Bikes & Cleaning White Bar Tape? | GCN Tech Clinic #askGCNTech

(swooshing sounds) – Right, welcome back then to another episode of the GCN Tech Clinic where I try and solve your bike-related problems So if you've got one, make sure down there in the comment section, you leave it for me and I'll do my very best to try and answer it in an upcoming episode, or you could also leave them on all forms of social media using the #askgcntech

Right With no further ado, let's crack on with the first question this week Comes here from Andy Britton "Jon, I need help "I'm transforming my 26 inch hard tail into a, "hang on, bandwagon approaching," just waiting for it, (whoosh) it's gone past, but you're not too late here

Jump on it Anyway, they want to make it to a gravel bike "I have a mix of Shimano 105 and Tiagra components "that I can use, "but the problem lies with the front mech "It was bottom pull on the original road bike set up, "but the hard tail routing for the cable is top pull "Any ideas, ATB Andy Britton

" ATB, all terrain bike No, no, no, no All the best, right Okay, so I'm just trying to work what they say for you Right, okay, so, original bike frame

Have a look on the seat tube of it on the rear side, so, where the rear wheel would splash those and mud up against, may well be a little pulley wheel down there so imagine something the size of a one pound coin Don't know where you're from Maybe a dollar coin, a one euro coin, not sure Anyway, that sort of size, you know, not very large, about two centimeters in diameter, probably smaller Anyway, these little plastic wheels used to bolt on to the rear of the seat tube and that allowed the top pull, you imagine this is the top tube, this is the seat tube

Cable go down there, go down the seat tube and wrap around it and then pull a standard bottom pull rear derailleur, but mountain bikes often came with top pull ones, too So, you could either put a standard top pull front derailleur on there Try and have a look around on eBay, try and save yourself a little bit of cash Or this could be genius, right? If you're into a little bit of hacking, a little bit of bodging, basically, just doing something a bit different from the norm, you could use a standard, underneath the bottom bracket, plastic cable guide that you'd use for your rear back, put one of those on and use it for the front one, too, but you probably don't have a cable stop then on the down tube for the front derailleur cable So, you can even get a little clamp there with one of those built-in

I think it's Problem Solvers or something like that, they make them Have a look on St John Street Cycles, little plug, I know they sell these weird little gadgets and gizmos Have a look on there, they probably sell them, where you can have the cable go in tube, run it down and up through, underneath the bottom bracket, and use standard bottom pull derailleur It's a problem, but certainly one that I've just solved for you

All right, next up then is Simon Knowles Simon says, "Is the time trial world champion allowed "to have rainbow stripes on his road bike, non-time trial "as well as his team jersey in road races?" Right then, okay A few things here First up, I reckon the world time trial champion probably wouldn't want them on his road bike because he, basically, the world champ's jersey, for me, is one of the few you just should not wear unless you are a world champion I know it sounds really snobby and stuff like that, but basically it's the pinnacle of sport, for me

The world champs and the Olympics that sort of thing is the real, you literally cannot buy that So, they wouldn't want to do it because it would be showing disrespect, I guess, to the road race champion But, going back to your question about wearing the stripes and everything So, years ago, you used to see loads of riders in the Peleton with world champ stripes on their jerseys and the reason being is if you won a senior world championship in any discipline, you could then have those stripes on your jersey going forward So, loads of track riders, people like Stuart O'Grady, Chris Boardman, those types of guys, they rode for GAN at the time and GAN was one of the teams I always remember, really vividly, GAN and Credit Agricole, those riders were having those stripes on, but the UCI changed those rules so it only allowed, basically if you won the World Road Race Championships, you were allowed, when you weren't wearing the rainbow striped jersey, to have those rainbow stripes as a sign that you were previous champion on your normal team jersey

Not sure if it ever carried forward or across disciplines I've got a feeling it would have done with time trials as it with track, but I don't know if it came up from, say, under-23 into senior So, if you're under-23 world champion, if you could still wear those on the senior jersey if you like, so I'll probably have to go back to, I think it was Danny Nelissen of Rabobank, he was under-23 world champion, or amateur world champion, I'm not sure if he ever had them on his senior jersey I should have looked this one up really I was actually looking, though, at a rider who instant sprung to mind that was Bradley Wiggins, who was junior world champion

I did find a picture of him, I think he was riding for Francaise de Jeux or maybe Credit Agricole, and he had some stripes on when he hadn't been senior time trial world champion, but he could well have been having them on because of course he had won a title on the track It's a really, really good question though and one which, I'm quite sad in a way, that the UCI changed, because it's great to see just how many world champions there were at a Peleton, and sort of across disciplines, if you like Right, now we've got Brian Hankes, who says, "Hi John, love the show "I'm a newish rider, about 18 months, "who has fallen in love with cycling "and the tech that comes with it" That's brilliant to hear, Brian

"I recently picked up a used Stages left hand crank "that fits my Shimano Ultegra 6770 group set "The issue that I have is that I mistakenly purchased "a 1725 mil crank arm when my current cranks are 170 "Now, I rode it yesterday for the first time "and did not really notice any issue, "but I'm concerned about potential issues "the difference in crank lengths may cause "Do I have to search for another 6770 right crank "or can I use something from 6800 or 8000? "If I got to the newer 11 speed versions "and they use chain rings, "can I use those with the 10 speed chain "and cassette I have? "Any input would be greatly appreciated

"Trying not to avoid, trying not to get injured "and also trying not to break the bank "and making another noob mistake" Right, Brian Absolutely great question here, mate and it's great to hear from newcomers So first thing, I wouldn't use a different length crank, unless diagnosed by Physio or Bike Fit, and the reason being, it doesn't sound like very much, two and a half mil in your case, but after hundreds or thousands of kilometers it could well lead to imbalance of some sort So I just really wouldn't advise it

Something you could, possibly, do I mean, I'm not going to recommend it, but you could sort of use a shim under one of the cranks to get it up and level, you know, underneath the shoe plate, sorry Yes, that's an option Yeah, all those different cranks, Hollowtech II road cranks and chain sets are interchangeable with one another, as far as I'm aware they don't change or alter the Q factor whatsoever In 10 speed and 11 speed chain rings they work fine cross-compatibility, too

Good luck with that one, mate And while you've got a bargain to start with, but just don't go wrecking any limbs or anything like that essentially by putting it on and just having that imbalance, it would be awful, believe me Okay, now we've got poormans bicycles, who says, "My 2020 Contend 3 came with white ar tape "and I love it, but I went on two rides "before getting grease on them "Does anyone have advice on cleaning white bar tape?" Right, few things here First of all, wash your grubby little hands! Because that's going to have caused it

But in seriousness what you could do is get something called Cif It used to be called Jif and it's like a cream cleanser, cream cleaner It's like a white liquid, put it on a sponge, rub that away It seems to work absolute wonders and then rinse it off really well before it turns all powdery and horrible You could also try some degreaser on there, too, it all depends on what type of bar tape it is to start with

If it's like a caulky type of tape, that is really difficult to get the dirt out of it Something which is also a possibility is these little sponges you could get, they're called Magic Erasers, I think And you dip them in water and you just rub it, and it tends to get rid of all those sorts of stains And also, a scouring pad So maybe you're not very good at cooking and you burn a lot of food and you get these sort of fibrous pads and you get rid of all that burnt food in the bottom of your saucepan

You could try that as well, dip some washing up liquid or detergent on there and then just rub that on neat onto the affected area and just rinse it off Let us know how you get on with those methods Right, now we've got Bruno Braganca, who says, "Hello GCN crew "I currently have a bike with a full 105 5800 group set "with Osymetric-like chain rings "I'm thinking to upgrade to Sram Red Etap 11 speed, "but for now I can only afford the levers and derailleurs

"I know group set mixing is strictly forbidden "by the velominati, "but are there any chances this setup would work? "What do you think? "Thanks in advance" Right, yeah, it will work 11 speed Sram, 11 speed Shimano, totally interchangeable with one another The only thing you're not going to get is that perfectly smooth, crisp changing I've got to say, using those chain rings

I've tried to set them up many times over years and you kind of have to use your legs like a clutch, if you like You have to ease off the power a little bit when you're changing gear, but you're going to know that anyway And also, it probably be a little easier to set up, too, with the Etap Because you don't have any wires or cables to play around with when you're trying to set it all up As for the people who don't like the look of it, ignore them, it's your bike, do what you want with it, mate

Next up is Kip CC, who said, "I recently watched the trash bike "to gravel bike build of Jon, "and I'm now embarking on my own gravel bike build" Do you know what? I always really love it when I read these questions or comments people say they've seen a video I've done and they've taken some inspiration from it It's really good However, Kip CC is caught in a dilemma "Would an eight speed Claris ST1 shifter work "with an eight speed decore LX derailleur?" Or should Kip run the eight speed Claris rear derailleur instead? "Plus will a V Brake work on a 700c rim "or would I be better off with a mechanical brake "with a 26 inch wheel for a gravel bike? "Thanks

" Right then, Captain Kip, yeah, eight speed Shimano road MTB, totally interchangeable, go ahead and do that, buddy As for the brakes, so you could try to find some of those Problem Solvers travel agents, but I'm led to believe they're now discontinued So, fit some mini V brakes on there instead, go ahead, still use those 700c wheels because if you're going to use 26 inch wheels, it's all right, but it's just a mountain bike then, with dropped bars, but you want to be on a gravel bike, so yeah, go ahead with the 700 ones instead And yeah, as ever, send in some pictures to us so we can rate it either nice or super nice! Right, now we've got Cycling Beats "Hey Jon, perhaps you have covered this "in a previous video and I missed it

"Is there a company that you know of "that recycles old chains or any bicycle parts? "Seems like a waste to send all that material "to sit in a landfill" Right, not any cycling companies as such that come to mind, but there are various charities and groups really that make bikes out of old parts, so ask around, maybe local cycling buddies or clubs, something like that Maybe they'll be an option for you locally Alternatively, I know you don't want to put it in a landfill, but your local refuse site is likely to have a metal only container that, of course, does recycle those materials I've seen people making bracelets out of old chains, they've got earrings, too, so if you've got your ears pierced maybe you could do that

Tires is a good one, there are companies out there that make belts, so belts for your trousers, out of old tires So they slice them down, they put some ends on them and then yeah, they make them in some fancy little belts I used to have one many years ago Right, and the final question this week comes here from Harry Saunderson-Warner "Does anyone make heated foot covers? "Hate having cold tootsies

" Ho, yes, Harry, they do! Heated overshoes, for years I dreamt of having those, luckily these days I've got pair of Fizik Artica winter shoes, they're absolutely fine with what I need, but heated overshoes, if you live somewhere absolutely freezing, could well save your feet, quite literally Two companies, both from one country, France EKOI and Racer They both make battery chargeable heated overshoes Brilliant invention

I've never seen them, I'd love to get my feet inside of a pair and see how they warm up and everything and how well they work Let me know if you get some, down there in the comment section I'm keen to find out Right, there we are Another tech clinic done and dusted

Remember if you've got a tech problem that's giving you an absolute nightmare or headache, leave it for me down there in the comment section below Remember to like and share this video with your friends, too Don't forget, subscribe to the GCN tech channel Click the notification icon, so you get alerted each and every time we put a video live Don't forget, check out the GCN shop at shop

globalcyclingnetworkcom and for two more absolutely cracking videos, click just down here and just down here

Source: Youtube