Which Shimano Bottom Bracket? BB-RS500 vs BBR60?
04-25-22, 09:19 PM
#1
Senior Member
Thread Starter
Which Shimano Bottom Bracket? BB-RS500 vs BBR60?
Completing a gravel bike build using a 105 level R7000 crankset. I may switch to a GRX crankset in the future (and swap to an appropriate FD as well). Shimano tech docs list the BB -RS500 as the bottom bracket for the GRX-600 11 speed, whereas the BBR60 is the listed BB for 105 R7000. The BBR60 costs just a bit more, but does that make it better? I thought I read somewhere the RS500 had larger and fewer bearings, whereas the BBR60 had more and smaller bearings. Although now seeing the RX-810 gravel crankset also lists the BBR60. I’m a little confused on this one.
04-26-22, 08:50 AM
#2
I'm good to go!
Join Date: Jul 2017
Location: Mississippi
Posts: 14,945
Bikes: Tarmac Disc Comp Di2 - 2020
Mentioned: 51 Post(s)
Tagged: 0 Thread(s)
Quoted: 6172 Post(s)
Liked 4,785 Times
in
3,303 Posts
The Shimano compatibility document shows that for a FC-R7000 crank you can use either a BB-RS500 or a SM-BBRS60. Of course this assumes your BB shell is threaded. And don't confuse the BB-RS500-PB which is press fit.
Get familiar with the Shimano compatibility documents that go back to way back when in their archives. And look at all the other documents too that they make available to anyone. Especially if you are going to select Shimano components to put on a bike.
https://productinfo.shimano.com/#/co...453&acid=C-455
https://si.shimano.com/#/
As to whether one is better, I can't say. However I see nothing strange about two different items being made with different stuff and size parts and still arriving in a shape that will fit the same BB shell on a bike.
Get familiar with the Shimano compatibility documents that go back to way back when in their archives. And look at all the other documents too that they make available to anyone. Especially if you are going to select Shimano components to put on a bike.
https://productinfo.shimano.com/#/co...453&acid=C-455
https://si.shimano.com/#/
As to whether one is better, I can't say. However I see nothing strange about two different items being made with different stuff and size parts and still arriving in a shape that will fit the same BB shell on a bike.
Last edited by Iride01; 04-26-22 at 08:56 AM.
04-26-22, 10:01 AM
#3
Mother Nature's Son
Join Date: Mar 2016
Location: Sussex County, Delaware
Posts: 3,107
Bikes: 2014 Orbea Avant MD30, 2004 Airborne Zeppelin TI, 2003 Lemond Poprad, 2001 Lemond Tourmalet, 2014? Soma Smoothie
Mentioned: 15 Post(s)
Tagged: 0 Thread(s)
Quoted: 852 Post(s)
Liked 1,433 Times
in
815 Posts
I have both in use and can distinguish no difference.
04-26-22, 11:41 AM
#4
Expired Member
Join Date: Jun 2007
Location: TN
Posts: 11,499
Mentioned: 37 Post(s)
Tagged: 0 Thread(s)
Quoted: 3648 Post(s)
Liked 5,381 Times
in
2,732 Posts
The 500 is 105 level, the R60 is Ultegra level. You won't be able to tell a difference.
Likes For shelbyfv:
04-26-22, 11:55 AM
#5
Senior Member
Join Date: Jul 2006
Location: San Jose (Willow Glen) Ca
Posts: 9,832
Bikes: Kirk Custom JK Special, '84 Team Miyata,(dura ace old school) 80?? SR Semi-Pro 600 Arabesque
Mentioned: 106 Post(s)
Tagged: 0 Thread(s)
Quoted: 2336 Post(s)
Liked 2,808 Times
in
1,534 Posts
for a bit more money i would go bbr60. it is what shimano specs for ultegra
__________________
Life is too short not to ride the best bike you have, as much as you can
(looking for Torpado Super light frame/fork or for Raleigh International frame fork 58cm)
Life is too short not to ride the best bike you have, as much as you can
(looking for Torpado Super light frame/fork or for Raleigh International frame fork 58cm)
Likes For squirtdad:
04-26-22, 12:50 PM
#6
Senior Member
Join Date: Sep 2009
Posts: 1,971
Bikes: Habanero Titanium Team Nuevo
Mentioned: 4 Post(s)
Tagged: 0 Thread(s)
Quoted: 399 Post(s)
Liked 185 Times
in
121 Posts
I just to the BB60 and installed new 105 r7000 on my WIlier from the FSA crankset and I was pleased with the BB60. I would go with that for sure it definitely is better than the FSA BB was. It spins very nicely and easy to install with correct tools. My Habby has a BB60 that is getting close to 35000 miles and over 5 years spins like a top.
