Brake not snapping back open?
#1
Senior Member
Thread Starter
Join Date: Mar 2014
Location: Cascadia
Posts: 1,206
Bikes: Jamis Quest Comp
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 169 Post(s)
Likes: 0
Liked 3 Times
in
3 Posts
Brake not snapping back open?
Just put fenders on. Rear is fine, front brake is now staying closed whenever I use it.
What to do? Brakes in question are "Tektro R317 long-reach dual-pivot caliper brakes" according to the spec sheet for the bike.
All I did was undo the bolt in the top of the fork. Slip the brakes off. Insert fender, slip brakes back on, bolt closed. Now the brakes will close, but not open.
What to do? Brakes in question are "Tektro R317 long-reach dual-pivot caliper brakes" according to the spec sheet for the bike.
All I did was undo the bolt in the top of the fork. Slip the brakes off. Insert fender, slip brakes back on, bolt closed. Now the brakes will close, but not open.
#2
Senior Member
Join Date: Aug 2005
Location: Pittsburgh, PA
Posts: 33,656
Bikes: '96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '20 Surly Midnight Special, All are 3x10. It is hilly around here!
Mentioned: 39 Post(s)
Tagged: 0 Thread(s)
Quoted: 2026 Post(s)
Likes: 0
Liked 1,096 Times
in
742 Posts
First see if the cable and housing are still routed correctly and freely and not kinked by the fender. Then remove the brake again and see if the arms move freely off of the bike. Also check that the return spring hasn't come off of its seat. If they do, there is something dragging or binding from the fender. If they don't check the arm clearance adjustment bolt (the 3 mm Allen bolt and 10 mm nut on the side arm) has changed it's position and adjust it until the arms move freely.
#3
Senior Member
Join Date: Feb 2012
Location: Rochester, NY
Posts: 18,073
Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Stewart 650B ATB
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4201 Post(s)
Liked 3,857 Times
in
2,305 Posts
First thing I think of is that the caliper is rotated off center so one pad is rubbing all the time.
Fenders tend to inhibit the closing in of calipers, being that they reside within the caliper. Look for any contact between the fender and caliper. Disconnect the cable to eliminate that part from the picture. Try removing the fender and reinstalling the caliper, still a problem?
With no photos or our being there all we can do is guess along a list of possibilities. You're the one whom has to figure it out. I suspect an experienced eye would find the problem pretty quick. Maybe ask your LBS to help you out? Andy
Fenders tend to inhibit the closing in of calipers, being that they reside within the caliper. Look for any contact between the fender and caliper. Disconnect the cable to eliminate that part from the picture. Try removing the fender and reinstalling the caliper, still a problem?
With no photos or our being there all we can do is guess along a list of possibilities. You're the one whom has to figure it out. I suspect an experienced eye would find the problem pretty quick. Maybe ask your LBS to help you out? Andy
__________________
AndrewRStewart
AndrewRStewart
#5
Me duelen las nalgas
Join Date: Aug 2015
Location: Texas
Posts: 13,513
Bikes: Centurion Ironman, Trek 5900, Univega Via Carisma, Globe Carmel
Mentioned: 199 Post(s)
Tagged: 0 Thread(s)
Quoted: 4559 Post(s)
Liked 2,802 Times
in
1,800 Posts
Check the spring position and tension. The low end Tektro brakes on one of my bikes demands occasional fiddling with the springs. They tend to pop off when the arms are opened for wheel removal. And the heat treatment is inferior so the spring loses tension easily and needs to be physically re-bent once in awhile. I suspect they spec low cost springs to meet a price point, so we end up fiddling with the brakes to keep them functioning.