Questions tagged [105]

A mid-level road groupset tier by Shimano

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6 votes
2 answers
151 views

New Hydraulic hoses sealed

I have a new complete set of "Shimano" 105 hydraulic calipers and brake/shifters for drops. The hoses are fitted to the calipers the other end of the hoses have the barbs fitted but they ...
mt_subnet's user avatar
3 votes
1 answer
150 views

Can I replace Shimano 105 FC-5501 crankset with Ultegra FC-R8000

I have an old Cervelo One from 2000 with Shimano 105 drivetrain including a FC-5501 crankset. I'm looking to add power metering to the bike and there is a Ultegra FC-R8000 available with a 4iiii power ...
Todd Clark's user avatar
2 votes
1 answer
2k views

Can I exchange my 105 r7000 crankset for a r7100 crankset?

Currently running a full 105 r7000 group on my bike. I would like to swap my existing 172.5mm 105 r7000 crankarms for 165mm ones. They seem to be very hard to come by, especially the right one, so I ...
Sean's user avatar
  • 21
3 votes
3 answers
527 views

Are ST-5800 shifters compatible with hydraulic brakes?

I have a last generation 105 5800 groupset currently set up with mechanical disc brakes. I'm thinking about upgrading to hydraulic brakes. Do I need to change my shifters in order to do this?
bogardon's user avatar
  • 207
3 votes
1 answer
2k views

Upgrading a 105 R7000 to 105 di2 R7100

I got a road bike with the Shimano 105 R7000 groupset (including Shimano 105 R7000 52/36 crank, Shimano 105 R7020 hydraulic brakes and the cassette HG700 11-34 11s). I would like to upgrade it to the ...
Bob's user avatar
  • 292
1 vote
1 answer
353 views

Compability R7000 chainrings with 6800 crankset

I have a new bike with 105 r7000 but crankarm is 170mm. On my old Ultegra 6800 172.5 crankarm, I have power meter on left arm. What will be better - put my complete Ultegra crankset onto my new bike ...
Mattpl's user avatar
  • 11
1 vote
1 answer
86 views

Can I use a shimano 105 11spd derailleur and r7020 shifters with a 9 spd cassette?

Trying to upgrade a 2021 giant ascend at to Shimano 105 without changing the wheels. The rear wheel only has a 9spd cassette, as I’m upgrading from 9spd Sora group. I’ve found Shimano 105 R7020 ...
Scott's user avatar
  • 11
4 votes
2 answers
238 views

105 R7000 chain rubbing bigger sprocket when pedaling backwards

I am new to this so I wanted to know if this behavior is normal. When I pedal backwards and the chain is on the smallest sprocket I can see that the chain rubs for a second and then does a little jump....
notFake7's user avatar
3 votes
5 answers
1k views

Shimano components upgrade - Claris/Tiagra to 105 R-7000

I posted the other day about giving my 20-year-old Specialized Sequoia a bit of a drivetrain upgrade. Currently, my set-up is a Shimano Claris triple crankset (50/39/30) with a Sora FD 3503 front ...
Kevin Marman's user avatar
1 vote
1 answer
1k views

What can I use as replacement for old Shimano L03A brake pads?

I have Trek Emonda SL5 Disk 2022 which comes with Shimano 105 groupset and Shimano RT70 centerlock 160mm brake rotors. It uses Shimano 105 R7020, 11 speed shifters. I need to change the rear brake ...
Branislav Abadjimarinov's user avatar
2 votes
1 answer
1k views

Shimano 105 R7000 Front Derailleur Setup - New Bike

Just got a new bike with Shimano 105-7000 series, previously rode a bike with older style Shimano 105-5700. So the overall adjustment is different. So on the new bike i'm finding that the setup doesn'...
Grant Sayer's user avatar
4 votes
1 answer
1k views

Shimano R8000 right crankset compatibility with 105-5800

I have a full 105 5800 group for my current drivetrain on my bike. I would like to replace the right crankset (chainring + crankarm) with an Ultegra R8000 right chainring/crankarm. Is there full ...
emiazz's user avatar
  • 43
4 votes
4 answers
1k views

Claris crankset compatibility with 105 components

I have a 2016 Synapse with a Claris groupset which now I am upgrading to 105. I have been able to find most components except crankset and FD. I might be able to survive without replacing the FD for ...
Affan 's user avatar
  • 41
1 vote
2 answers
168 views

What components of the drive train are cross compatible between casette number of rings(10 / 11 speed)?

I have an old 10 speed road bike fitted with (Mostly) Shimano 105 groupset drivetrain. I'm looking to replace a few parts and I noticed that 10 speed 105 and Ultegra parts are not so easy to find, ...
Philip Couling's user avatar
1 vote
1 answer
2k views

Shimano 105 ST R7000 Shifter Not Engaging Problem

I have a 2 years old Shimano 105 ST R7000 shiter . The left one( front derailleur) started skipping pawl. At first it was 1 out of 10 shifts but then it got worse to a degree to unusable. I ...
Umut Birey's user avatar
5 votes
1 answer
312 views

Brake cable reach

On my 2016 Giant Defy with Shimano 105 shifters I am finding it very difficult to reduce the reach on my brake levers and they need pulling almost to the handlebar to brake. Is it possible to reduce ...
Mike C's user avatar
  • 53
3 votes
1 answer
88 views

Shimano rapid shifter R440 gear display

I have a Masi flat-bar road bike with Shimano 105 groupset (been in storage for years). I've disassembled the R440 rapid shifters and lubed them so that they rachet properly. However, the 9 speed ...
Haulley's user avatar
  • 31
4 votes
2 answers
1k views

Can you use two different shifters (eg. Left-Tiagra,Right-105) on the same cockpit/handlebar?

I couldnt find the correct crankset... so i was wondering if you could use a crankset (Tiagra) with a (105) front derailleur? If not can you use two differnt shifters on one cockpit/handlebar and if ...
Leonard's user avatar
  • 131
4 votes
1 answer
1k views

Can you pair a 105 10 Speed Cassette with a 10 Speed Tiagra Derailleur?

I was looking for a 10 Speed Tiagra Casette but was not able to find one. A good deal for a 105 10-Speed Casette caught my eye, so I wanted to ask if it would be possible to pair a 10-Speed Derailleur ...
Leonard's user avatar
  • 131
1 vote
1 answer
1k views

Use Shimano 105 R7000 shifters for Disc brakes

I have 2 spare R7000 shifters which I used on my rim brake equipped road bike. I've upgraded to Ultegra some time ago. I also have a Tiagra gravel bike with mechanical disc brakes that uses Tiagra ...
Ivan's user avatar
  • 569