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4 votes

How do hydraulic interrupter brake levers work?

The GRX BL-RX812 Sub brake levers (interrupter levers) work because the fluid input port from the primary lever is blocked by the master cylinder piston when the sub lever is closed. The MC piston ...
zenbike's user avatar
  • 29.8k
5 votes

Replacement for "Weinmann Symetric"

You are looking for brakes called "long reach brakes". I have some experience with the Tektro R559 and I can reccomend them, see also this question for some troubleshooting ideas, if you are ...
EarlGrey's user avatar
  • 3,700
3 votes

How to temporarily plug hydraulic brake hoses to route them through frame without leaking fluid

Some internal cable routing kits will include a rubber sleeve to slip the end of the hose into and that sleeve is attached at the end to the line that gets dragged through your frame so that could ...
Brandon's user avatar
  • 51
5 votes

What's this nugget called in these tektro drop levers?

Historically, Campagnolo brake levers or Ergopower levers used this button to open your rim brakes to make it easier to remove the wheel. I think this was only implemented in the 12s rim brake ...
Weiwen Ng's user avatar
  • 32.6k

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