2
votes
2answers
155 views

“Training Wheels” for Starters

After numerous attempts to ride my cruiser bike without falling, I have ordered a set of "training wheels" for my bike. Yes, I took the pedals off and practiced on grass and all that, but just could ...
2
votes
1answer
79 views

Wheel building - ever encountered nipples that are screwdriver-only?

I bought "powder coated" nipples for a new build to match a frame. It's for a SOMA Wolverine and the wheels were to be black spoke & rim with orange nipples - all the other non-orange parts are ...
0
votes
1answer
60 views

What model is this Bottecchia bike?

I'm trying to find a decent racing bike for my next triathlon (on the cheap). I saw this bike on Craigslist with no information about the model or features. Can anyone help me figure out what bike ...
0
votes
1answer
55 views

Serial number & Head badge issues

I have a vintage Schwinn Traveler made approximately 1985. I have been trying to learn more about the bike through the serial number and head badge. However I can't seem to find difinitive ...
0
votes
1answer
35 views

Pads in contact with disk when idle on my SLX L675 disk brakes

I've recently bought a Nishiki Hyper pro which features the hydraulic Shimano SLX L675 brake system. What I've found is that the pads on the back wheel breaks appear to be in constant light contact ...
1
vote
4answers
80 views

Describe main criteria of choosing energy-conserving bicycle that allows getting easily up-hill

It's summer now and it's hot. The way to my office is up-hill (half of the way is off-road). With my health it's not a good idea to work hard physically in such whether. And there is no shower in ...
2
votes
3answers
112 views

Toe overlap on mountain bike

How common is toe overlap on 29" wheel bikes? Also, is there a way to fix the overlap by say replacing the shocks for some with more travel? Lastly, is toe overlap a major issue on a mountain bike?
0
votes
4answers
120 views

My Bike doesn't seem to fit itself

I have a project bike. I made it myself from bits recycled. It is currently a single speed, although I'm thinking of adding gears to turn it into a bit of a commuter/excercise bike. Before I do ...
0
votes
2answers
64 views

What GPS unit should I get? Or, is there a better app I could use to log my rides? [closed]

There is only so much I can do with logging my rides with my phone. Both the Strava and Runtastic Apps have issues logging my rides. Importing a GPX file from one to the other produces inconsistencies ...
2
votes
1answer
54 views

Third tube puncture in 3 weeks

I have the 3-rd puncture of the rear wheel tube during 3 weeks. All of them have the same pattern: 1 small breach about 0.5mm long. I added the photographs of the last one. Bubble inside the water ...
0
votes
1answer
82 views

Does anyone have any special notes on buying pannier racks?

I have a 520 mm cro-mo vintage tsunado road bike. It has 27 inch wheels. I'm putting a pannier rack on the back *preferably steel, but I'll consider Al. It doesn't have the upper mounts but the ...
0
votes
1answer
25 views

I have an old Sugino 110mm BCD ring set, can I replace low ring with SHIMANO FC-5650 chainring 34T?

I have a 48 tooth main ring with 165 cranks. FD is Sora double and rear is Tiagra short with Shimano 7 freewheel. If I can put this 34 ring on it gives me sufficient range for the next few months and ...
-1
votes
1answer
97 views

I don't want knobby tires

I have trek 3700 with 26X2 knobbytires on them. I do not intend to ever go off road again. What is the thinnest size tire I can put on. I don't know what size my rims are but everything is standard on ...
0
votes
2answers
55 views

Converting down from 10spd to 7spd

I'm building up a vintage mid 70s AlAn that cannot have it's rear drop outs cold set to a wider width. I have a nice set of williams clincher wheels which are substantially lighter than anything oem ...
1
vote
1answer
46 views

Replace freewheel with freehub?

I have a Motobecane Super Mirage that I bought in 1977. I have another bike for regular use, and I've decided to completely rebuild the older one. I determined today that the freewheel teeth are worn ...
1
vote
2answers
117 views

When not used, what gear should I store my bike in

Is there a conventional wisdom to what gear a bike should be left in, when used infrequently?
0
votes
1answer
48 views

20 yr old specialized rockhopper needs new crank gears

Any help in what front pedal crank replacement gears to buy for my old Rockhopper. It is a Altus A-10 crank. I believe the crank to be fine but the gears look to be worn quite a bit. Took it to a ...
0
votes
1answer
44 views

Rim compression after tire inflation

I trued my wheel yesterday a bit, since many spokes lost some tension. Once I finished, all spokes were quite rigid. Then I put the new tire on and as I was inflating it, I heard the spokes loosen ...
1
vote
1answer
56 views

If I am using Bar End Shifters, is there a compelling reason to change the old brake levers?

I have old dull aluminum break pulls on dropbars with suicide levers. The new brakes are Tektro long reach. Should I change the levers? If so what is a good quality/price lever to buy?
0
votes
3answers
69 views

Foot pain with cleated shoes

I have cleated shoes. My feet do a lot of work floor miles and get I pain in ball of my foot. I feel like the cleat is pushing on the ball of my foot. I was considering changing the shoe liner; ...
0
votes
1answer
34 views

I've decided on Bar End Shifters for my Vintage tour bike rebuild. I think I've got it down to these. Any reason to choose one or other?

The contestants: Shimano SL-BS64 Ultegra Bar End Shifter Set (8-Speed) and Dia Competition Grand competition ENE bar end control. Seem fairly similar and both well loved. I'm aiming at pairing ...
0
votes
1answer
23 views

Can I add 3rd chainring to a an old Sugino double?

I have a vintage (165mm-Crnk) Sugino 40/48 on here now, but am looking to add some gear range for up hill with med-sm load. I have a Tiagra short cage RD and a Sora double FD. I am friction shifting. ...
-1
votes
0answers
43 views

Will this fork fit? HELP!

I have an old Marin Pioneer Trail XC Mountain Bike. I would like to get this new fork. Will it fit/work with/on my bike? http://www.rst.com.tw/en/ProductInfo.aspx?PID=29 Thanks
2
votes
2answers
69 views

Hitting bumps on a locked out suspension fork

I just bought a mountain bike with a Suntour XCM fork with lockout. Being a BSO rider, this is my first ever bike with a lockout on the fork. I will be riding trails, but most of my riding will be in ...
8
votes
4answers
491 views

Is there a standard equivalent for effort between distance and elevation?

I'm starting to keep track of how far I ride on paper and while it's nice to have the data, I'd like to know how different rides stack up. I have one path I like to take which is really flat and goes ...
1
vote
2answers
84 views

Cyclocross vs road bike

I am thinking about getting a new bike. I have a MTB but I am sort of petrified of road riding (cars pass way too close). I have found a nice Specialized Cyclocross bike. I wanted to have a bit ...
0
votes
0answers
10 views

Fitting a CycloTricity E kit to a Sirrus Elite

The instructions are clear and accompanied by photographs of the procedures. However in attempting to fit the motor wheel into the forks of the Sirrus I find that the motor spindle is wider than the ...
0
votes
0answers
27 views

Best way to connect a wagon/ hitch [duplicate]

I welded a wagon for a bicycle. What is the best way to connect it so there will be free movement, but it will stay strong
0
votes
2answers
41 views

Rear Tire 'Wobble' After Tire Change

I have an old huffy 26 inch mountain bike. I changed the tire a couple days ago and now it has a pronounced wobble (side to side movement, not at the axle). Its like its misaligned somewhere but ...
1
vote
1answer
76 views

Loose Handlebars

I recently got into a small bike accident and the handlebars became loose. It seems to not be in sync with the front bike tire. I tried to tighten the headset and locknut, nothing seems to work. I can ...
0
votes
1answer
59 views

I'm evaluating how to best match a new handset and rear wheel to a vintage rebuild [closed]

My first bike after move to Japan. Picked up an old 520 Cro-MO frame by Tsunoda - Grand Prix , minimal rust and decent paint. It had some old Suntour VX derailleurs, aluminum-far-too-narrow drop bar ...
3
votes
4answers
262 views

Torque wrenches

How do I determine the torque required for different bolts, etc.? I am new to the world of torque wrenches and have not purchased one yet. I am suffering from chronic loosening of the left side crank ...
1
vote
1answer
163 views

What does this road sign mean?

Every day on my way to work (in the UK) I pass a road sign that I don't recognise (reproduced below). My gut instinct is that it's a bridge of some description but it's on a normal ...
0
votes
1answer
84 views

Shimano Alivio M4000 vs Altus M370 shifters

I'm planning to upgrade my shifters to Alivio M4000. My old shifters are Altus M370. My question is will this make a significant differrence on my shifting? I'm running Altus M310 FD with Alivio M4000 ...
0
votes
2answers
510 views

Can you inflate a completely flat tire?

I haven't used my bike for almost a year and I need to start riding it again, but it appears I have a flat tire. I don't think there's something wrong with the tube cause I haven't used it for a ...
3
votes
1answer
148 views

Bicycle Frame: anodized Aluminium?

I need help with identify what materials is this frame I need to know if this is indeed aluminium? (weight 1.2 kg for 15 inch frame hybrid, is not ferromagnetic). If it is, why would it have a ...
2
votes
2answers
193 views

8 speed free wheel with single speed crankset

I would like to change my bike setup. I have a 8 speed freewheel and a 3 chainrings crankset and I would like to add a single speed crankset in front (around 50 teeth) because I am not using my front ...
0
votes
2answers
53 views

Race Face Crank/Chainring Compatibility

I have a Race Face Evolve DH crankset which takes 104 BCD chainrings. However, I pulled a 104 BCD chainring off a Shimano Acera Crankset and the rings don't interface properly with the Race Face ...
0
votes
1answer
43 views

Shimano RT66 Rotors on Tektro Auriga

I'm thinking of changing my original Tektro Polygon rotors to Shimano RT66 rotors. Both use 6 bolts and 160mm size. Is this will be fine with my Tektro Auriga brakes? And will changing the rotors ...
2
votes
2answers
54 views

inner tube length size question

So I bought a used road bike from WI recently. and just a couple days ago i got a flat. I took out the tube wanting to patch but saw that it was all patched up. So i decided to just buy a new on. the ...
1
vote
1answer
372 views

Pedals feel like they are too far back

I bought a cheap bike to ride around the driveway/neighborhood with my kids. It feels like the pedals are right underneath my butt rather than just in front. Makes for not so comfortable position. ...
6
votes
4answers
209 views

Standing vs. high rpm for acceleration

I've been working on my cadence for several months now, and I feel like I've gotten to the point where I'm more comfortable using high cadence instead of standing up when I want to accelerate hard. ...
0
votes
0answers
59 views

Preload Adjuster Use on SR Suntour XCM

I've got an SR Suntour XCM HLO 27.5" 100mm travel that comes with my bike. It has preload adjuster on the left and lock on the right. What I wonder is how to properly adjust the fork ...
7
votes
5answers
802 views

Speed and distance for a beginner

I'm 26 and haven't ridden a bike since I was 15. I decided to start again and purchased a nakamura crossland, last Saturday, to get back into action. Last Sunday, I did 17km in 50 minutes on a mostly ...
0
votes
2answers
147 views

Expanding the range of capabilities of a gravel bike

I'm a believer in having just one bike that i can use for anything I do, mostly club rides and light touring. I currently have a Giant Defy 1 with 28c tires, but am intrigued by the new gravel grinder ...
6
votes
1answer
173 views

What is the second thread on the crank for?

I am trying to fix the problem with my bicycle where the left crank keeps unscrewing itself. The thread on which a serrated lock nut should keep the pedal in place is conventional (clockwise to ...
2
votes
1answer
65 views

Is Specialized brain something unique or are its variations common?

I am looking into getting a full suspension mountain bike. Specialized touts their brain system and I'm wondering if is this some unique technology that they have or are at least more advanced at ...
0
votes
0answers
46 views

What exactly are Quest bikes?

My wife has about 10-15 years old, but very rarely used (thus in quite good condition) bike with a large "Quest" label in place, where all other bikes has its brand name. By reading all the labels on ...
4
votes
1answer
128 views

How does the risk of a cyclist colliding with a vehicle vary with the speed difference?

In a recent answer I asserted Statistics show that the probability of a collision rises rapidly after the speed difference between two road users exceeds 20 kph (12 mph). So choose paths without ...
1
vote
1answer
115 views

What can cause disc brakes not to react after keeping/moving the bike upright, then recover?

Recently, I experienced a strange situation with the Tektro hydro disc brakes on my hybrid bike (would the model be helpful here?): I carried it upstairs at a friend's place, and later moved it ...

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