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1 vote
1 answer
129 views

Front hydraulic brake lever dislodged

This is a brand new mountain bike for kids with hydraulic brakes. The bike fell on its side and when we picked it up, the brake handle got caught by a branch. With a little effort, we were able to ...
7 votes
3 answers
9k views

Hydraulic brake lever doesn't return after being released, dependent on weather

I have a pair of second-hand Shimano ST-RS685 hydraulic brake levers / shifters. Unbeknownst to me they hadn't been used for a year and had quite a bit of dirt / grit inside, which I've cleaned to a ...
4 votes
3 answers
845 views

Replacing hydraulic brake lever

This is my first time dealing with hydraulic brakes. The front brake on my bike is Shimano BL-M4100 lever with MT410 caliper. I stripped the lever's clamp thread and going to replace the lever with a ...
2 votes
1 answer
499 views

What tool do I need to adjust the brake cable here?

I need to loosen very tight bicycle brakes(pads). This is the only thing running over the cable, have no idea what it is and don't have many tools to begin with so assuming I don't have what is needed ...
1 vote
2 answers
696 views

Are cross brake levers with compact drop bar redundant?

I currently have traditional drop bars and cross (interrupter) brake levers. I like the interrupters and use them a lot. But I'm going to get a compact drop bar (FSA Omega Compact bar on order), and ...
11 votes
2 answers
28k views

What is the actual cable pull of brake levers?

I understand that there are 2 brake lever cable pull standards: Standard Pull Levers Long Pull Levers (for V-brakes and disc brakes) But what is the actual difference in pull? And specifically: what ...
1 vote
1 answer
115 views

Can i replace just the brake on a bike that has a combined shifter/brake lever unit

i’ve just bought a new bike with shifter and brake units together on the handlebars. i want to replace the brakes with hydraulics from my last bike (new bike has cable brakes), however i don’t know if ...
-1 votes
1 answer
98 views

Mechanical bike disc brake caliper lever

Where can I find a data sheet for this part? I want to know if there is a magnification factor between the force which acts on the disc brake by pads, and the force that I pull the wire with, as I ...
6 votes
1 answer
3k views

How to interpret Shimano compatibility chart?

How does one interpret the delineation of horizontally-aligned boxes on the Shimano compatibility charts? Below is a screenshot (with added blue numbering) for discussion purposes. For example, why ...
3 votes
3 answers
2k views

Where/how do I reduce travel on my brake levers?

How do I reduce travel my brake lever? (To brake currently, I practically have to depress it all the way to the handle bar.) I don't see any place to put an allen wrench anywhere. What am I missing?
2 votes
0 answers
284 views

after multiple brake bleed, lever's max stiffness is still close to bar

so after a few bleeds i've done on these Shimano saints, because of new levers replacement, i've found that the rear brake lever, although on max stiffness, goes way further to the bar then the other ...
-1 votes
1 answer
111 views

Performance of 'safety levers' [duplicate]

How do safety levers work exactly? When installed properly, what is their braking performance? What about when installed improperly? What faults do they have? How ergonomic are they? How good of a fit ...
3 votes
2 answers
751 views

Would you be able to use mountain bike/straight bar cable brake levers as auxiliary/inline brake levers on drop bars?

Really dumb question, but would this be possible, with or without practicality? Drill a hole in them, perhaps?
3 votes
1 answer
4k views

Repair Tektro HD-M275 brake lever

My girlfriend's son recently acquired a pre-owned Scott Aspect 760 for Christmas (2021 model) - essentially brand-new and ridden once or twice, if at all. We noticed the other day that something ...
1 vote
0 answers
108 views

when bike kept inside, brake/ lever goes extremely stiff

so, I've been through a lot of fiddling with my brake levers, giving them a small clean out and bleed, but I've noticed now that when i keep my bike inside (on heated floor) the brake levers go stiff, ...

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