2
votes
0answers
74 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 ...
2
votes
0answers
54 views

Bottle dynamo wiring a headlight and taillight on 1980s bike

I'm restoring a 1980 DBS Winner bicycle, and I'm having trouble wiring the dynamo to the headlight and taillight. As a disclaimer, I know very little about electricity and wiring. The dynamo has two ...
2
votes
0answers
49 views

Shimano 105 ST-5500 gear sensor mechanism

I have a special question. I have a pair of Shimano 105 levers and I would like to know what short of mechanism is inside the shifter in order to track what gear it's on? Is it a potentiometer? Or ...
2
votes
0answers
30 views

Are there any Male to Female DI2 wires / exetensions?

I know you can use a junction port (ie: SM-JC41 Internal Junction Box B) for this, but are there any Male to Female extension cables? Root Cause: R600 to 5 port junction for a TT setup near the base ...
2
votes
0answers
93 views

BB92 (Shimano bottom bracket) with SRAM 30mm crankshaft (X01 or XX1 BB30)?

The frame that I want to build has BB92 bottom bracket hole. The drivetrain I want to use is 1x11 SRAM XX1 or X01 with 30mm crankshaft (BB30)(edit: also available GXP). There are ways to fit it - ...
2
votes
0answers
53 views

"Le vélo de Tati” - Jacques Tati by Robert Doisneau

Does anyone know where i can purchase this iconic poster? I've searched the most obvious websites. thanks
2
votes
0answers
64 views

Who recognises this titanium frame?

I bought this titanium frame some time ago. No markings, only this serialnumber on the bottombracket. The 84 propably stands for 1984 as the bike was fitted with Campy's 50th Anniversary gruppo. BB is ...
2
votes
0answers
252 views

sram grip shifter to be fox CTD shock remote lever

the FOX shock CTD remote is a nice shock, but the remote is bulky, even the new 2014 version, still uneasy to change between CTD. I come across this article ...
2
votes
0answers
150 views

My BionX system won't work in assistance mode, and makes a weird noise

I've had to remove and reinstall my rear wheel because of a flat, and now the BionX system has stopped working correctly. When I turn it on, it works fine, and the regenerative breaking works fine. A ...
2
votes
0answers
304 views

Change the angle of the arc of downtube / stem shifter lever to make it an alternative thumb shifter?

I want to mount the following SunRace clamp-on shifter set horizontally as a "thumb" shifter on a straight MTB handlebar (22.2mm). I will remove the left lever and only use the right with the clamp. ...
2
votes
0answers
358 views

My left STI shifter has 5 positions for a double crankset?

I'm in the process of installing my Shimano Tiagra left shifter for the front derailleur on my double crank and I'm a bit confused, the indicator shows it has 5 positions for a crank with only 2 ...
1
vote
0answers
65 views

30's-40's bike, make and model

hello, Any info on this bicycle, it make, model and possible year. The young man was born in 1931
1
vote
0answers
27 views

Buying Brakes for custom kick scooter with 12" diameter bmx wheels

I need to buy brakes for a custom kick scooter. The steel tubing of the entire frame is 1" in diameter. How do I know what size brakes to buy?
1
vote
0answers
24 views

Fork leaking oil?

After finishing my last two rides on my second hand bought bike, I've noticed both stanchions appear as if they are leaking oil Could it be just WD residues or excess suspension oil?
1
vote
0answers
39 views

Sachs- Huret derailleur (re)installation

Sachs - Huret derailleur installation So the learning curve continues on the '85 Peugeot P-16. The main lessons are to take pictures and time getting each thing done. I have the rear derailleur ...
1
vote
0answers
40 views

which multi-speed hub should I upgrade my trek district to

So my rear freewheel hub broke on my single speed belt driven (no metal chain) trek district. Since I have to replace the rear hub, I'm thinking of replacing the rear hub with an internally geared ...
1
vote
0answers
39 views

Specialized Brain problem

I have been searching for a while regarding a problem with my Specialized Brain. Here is the story.. I bought a 2008 Specialized Stumpjumper Expert 2nd hand and immediately noticed air in the shock. ...
1
vote
0answers
23 views

Fork damper circuit reconditioning

I have a rockshox Dart II from 2007. I have recently rebuilt it for the first time in 9 years as it had basically locked up, and not so surprisingly given its neglectful treatment, its still not ...
1
vote
0answers
77 views

Help identifying MTB frame

Apologies making ANOTHER one of these threads...Anyhows: Bought a bike third hand, frame has been stripped and painted. Trying to find make & model so I can get some offset bushings for the shock. ...
1
vote
0answers
72 views

What is the name of the manufacturer of this Chinese made bicycle?

I have a Trac (no 'k') Forever 200 bicycle from China (complete with Chinese writing on it). Any idea who the manufacturer is? Is this bike common in China? I can't find anything online about them. ...
1
vote
0answers
50 views

Is it worth completely replacing my track wheelset?

I own and commute on a 2009 KHS Flite100, bought used. Since purchasing it, I have spent around $250 getting it up to scratch, with new tires, pedals, saddle, and other small but worthwhile upgrades. ...
1
vote
0answers
33 views

Front derailleur never alligned

So I'm working with the park tool tutorial but I've done it a couple of times in the past. When adjusting my Shimano Deore Front derailleur (height and rotation) it lines up great but when I tighten ...
1
vote
0answers
28 views

Motobecane Sprint Retro Fixie

Question for rebicycling a Motobecane Sprint Blue. I have a desire to rebicycle this Motobecane Sprint into a semi retro style with the orginal theme. In short i would like to purchase the same ...
1
vote
0answers
24 views

Missing valve part from Marzocchi MX Pro 2003- how does it work?

I'm trying to figure out if I can make a replacement part for an old pair of Marzocchi MX Pro 2003 forks. Its part of the rebound damping rod and is the metal bit in this photo on the top where the ...
1
vote
0answers
29 views

Wheel building for n360 + disc brakes on H Plus Son 700c, 36h

I'm working on building a couple of wheels for a road/commuter bike. This is my first wheel building endeavor. I have: 2 H Plus Son 700c, 36 hole wheels A Nuvinci n360, 2012 model A set of TRP Hylex ...
1
vote
0answers
76 views

Stainless steel bolts for brake calipers

I'm wanting to replace the bolts used to hold my cantilever brakes on as they've rusted and look pretty terrible on an otherwise clean bike. Is it ok to use stainless (A2-70 or A4-70) for these or ...
1
vote
0answers
43 views

Columba folder w/mountain 10sp cassette & Sram X7 derailleur

On my bike the derailleur mounting bracket (hanger) is held by the hub axle and therefore fills some of the dropout slot on one side and pushes the axle lower in the slot on that side. So the axle is ...
1
vote
0answers
22 views

Punctured fork seal

I accidentally punctured (very small hole) the dust seal on my Fox Evolution CTD fork. Obviously the seals capacity to prevent the dirt/dust/etc. from entering the forks has been compromised. Will any ...
1
vote
0answers
69 views

Shimano Hydraulic disc brakes- Lever compatibility

I am looking for practical advice on compatibility between various Shimano hydraulic disc brakes, especially the lever assembly. Currently I have two separate sets, one M446 Left lever, attached to a ...
1
vote
0answers
102 views

Refurbishing mountain bike - left standing for couple of years

I've a Marin Rocky Ridge (2007) that I'd like to give a bit of an overhaul/refurbish as it's been left standing for two years or so. I'm just looking to know where would be common areas that would ...
1
vote
0answers
75 views

What's the best way to fix carbon to titanium?

I'm building (experimenting if you wish) something out of the old bike parts and I need to fix two parts together one titanium and carbon. Basically the parts are two tubes one made of carbon of a ...
1
vote
0answers
83 views

Size advice needed for Revolution Country Traveller touring bike

I'm about to by my first touring bike. I've got a very tight budget so I will probably order a Revolution Country Traveller from Edinburgh bicycle cooperation as it looks like it will suit my needs. ...
1
vote
0answers
51 views

Which mountain bike resort has more built up trails for Enduro and DH: Morillon or Alpe D'Huez?

Looking for one that has a higher level of trail maintenance and conditions. I am familiar with Whistler, BC. Whistler bike park is a World Class terrain park, where employees place tons of time and ...
1
vote
0answers
20 views

What is the length of the Hope XC internal spacer from freehub to bearing?

I think I have a worn spacer as it has ragged edges. Does anyone have the length of this spacer when new?
1
vote
0answers
73 views

Which standalone head units would work with Tacx i.Flow T2270?

I'd like to be able to use my Tacx i.Flow T2270 trainer without a PC. Apart from the T2202, which current or older standalone head units would be compatible? Would T1682 work? What about head units ...
1
vote
0answers
163 views

Schwinn Vestige no longer lights up; why not?

I have the Schwinn Vestige and a very long, bumpy, dirt/gravel driveway. A few weeks ago, we rode downtown and the frame lit up amazing, as it should. On the way home, it was not lit up. Hmm. After ...
1
vote
0answers
870 views

Stuck and stiff sora front derailleur

I have a used 2011 trek 1.2 compact road bike with a stiff Sora FD-3400 double front derailleur. Shifter seems very stiff, and when I shift above the second index (trim or third) by accident it gets ...
1
vote
0answers
160 views

Lowrider style bent forks techniques

Would a 24 inch bent fork fit on a 20 inch frame? Is there even a 24 inch fork? Would a 26 inch fit? Also if it doesn't fit in could I just add to the 20 inch - would you be able to extend it making ...
1
vote
0answers
123 views

Mystery item broken on old Dawes. Help!

I was adjusting rear brakes last night and this little thing snapped in half (see image [right]). The linear indent holds my brake cable in place and a 5mm bolt holds this in place. I guess I need to ...
1
vote
0answers
49 views

Sprinter Universal Bike

A friend has given to me a bike called the marking say " Sprinter universal " which looks pretty old. Can anyone give me any information on it please ?
1
vote
0answers
227 views

Serial numbers on bottom of a pedal crank housing from a 50s era Schwinn?

Can someone please explain what these three numbers mean on the pedal crank housing? I believe this to be the pedal crank housing from a 1956 Spitfire Ladies Bike. The Schwinn Serial reads M0D502 ...
1
vote
0answers
199 views

Can anyone help me identify this bike?

Frame number (bottom bracket) MC9008 1987 Cruiser style,26" rims
1
vote
0answers
182 views

Shift lever and boss (mount point) compatibility matrix

I've looked online, but haven't found one. Is there any sort of "matrix" available that puts shift lever boss type on one axis and shift lever on the other, and remarks on each pair's compatibility? ...
1
vote
0answers
174 views

What's the inner width of my rim?

I just measured the inner width of my rim with a ruler and it seemed to be a hair over 14mm. Looking at the tire sizing chart on Sheldon Brown's site it doesn't have an entry for 14mm inner width ...
1
vote
0answers
184 views

Burley Flex Connector, square tube vs round tube, does it really matter?

I have a new flatbed trailer that uses a square tube tow bar instead of a round like my kid trailer has. Since I'm setup on the Burley system, I need to use a flex connector for the new trailer. I ...
1
vote
0answers
176 views

Interrupter (cross) brake lever cable guide wedges?

Interrupter brakes require the brake cable to angle away from the bar to meet the lever at the proper point as shown in the picture below. You can see the handlebar tape doesn't carry on closer to the ...
1
vote
0answers
271 views

Low gearing setup for road bike with Shimano dual control

Question: What is my best bet for a crankset, given the following requirements for a road bike I am setting up: 68mm "English" thread bottom bracket Shimano STI "brifters", 2x10 (I already have ...
1
vote
0answers
170 views

Play in Jockey wheels Sram X7 rear derailleur

I have an SRAM x7 rear derailleur only been using it a few months (through the rain) and the jockey wheels seem in a bad way. There's a lot of side to side play in them and the teeth look sharp when i ...
1
vote
0answers
223 views

Sliding chain back on hub gear bikes

I got a folding bike 2 months ago and got my first hiccup. It has a 3-speed hub gear and while changing gears today, it seems like the chain slipped off the smaller chainring near the back wheel into ...
1
vote
0answers
215 views

Can I put standard drop brakes on a MASI drop handlebar?

I've got a set of handlebars from a MASI Uno. I'd like to know if I can put standard drop bar brakes, similar to these (ignore the interrupter brakes and bar end shifter for now). The MASI bars ...

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