MrBill's Albums - Broken Bike Parts

Schwalbe Marathon 40-406 worn to the liner after 11,600 miles.

Wed, 22 Oct 2025 20:40:15 +0000

Schwalbe Marathon 40-406 worn to the liner after 11,600 miles. / Schwalbe Marathon 40-406 worn to the liner after 11,600 miles. This tire was used on the front of a LWB e-bike recumbent.

Cracked weld, Pursuit seat frame (2)

Wed, 22 Oct 2025 20:40:12 +0000

Cracked weld, Pursuit seat frame (2) / Cracked weld, Pursuit seat frame (2)

Cracked weld, Pursuit seat frame (1)

Wed, 22 Oct 2025 20:40:05 +0000

Cracked weld, Pursuit seat frame (1) / Cracked weld, Pursuit seat frame (1)

Old Suntour freewheel with sheared off removal teeth

Thu, 21 Sep 2023 23:07:51 +0000

Old Suntour freewheel with sheared off removal teeth / Old Suntour freewheel with sheared off removal teeth This freewheel was not installed using any sort of lubricant or grease and has been used over many miles and 30+ years. It's not coming off the hub!

Broken axle (10mm, QR, 135mm OLD)

Thu, 21 Sep 2023 23:07:40 +0000

Broken axle (10mm, QR, 135mm OLD) / Broken axle (10mm, QR, 135mm OLD) Used on a freewheel hub, this is a common failure as the bearings are some distance inboard from dropout on the drive side.

Cycle Luminator 2 board

Thu, 21 Sep 2023 23:07:31 +0000

Cycle Luminator 2 board / Cycle Luminator 2 board Note blackened lead, 2nd from left on 8-pin DIP. Magic smoke was released.

Ca. 1994 Shimano SPD shoes are well-worn (out). (2)

Mon, 20 Feb 2023 20:25:10 +0000

Ca. 1994 Shimano SPD shoes are well-worn (out). (2) / Ca. 1994 Shimano SPD shoes are well-worn (out). (2) Many years of good use.

Ca. 1994 Shimano SPD shoes are well-worn (out). (1)

Mon, 20 Feb 2023 20:24:52 +0000

Ca. 1994 Shimano SPD shoes are well-worn (out). (1) / Ca. 1994 Shimano SPD shoes are well-worn (out). (1) Many years of good use.

Cracked hub motor side plate (inside view)

Fri, 05 Aug 2022 20:34:08 +0000

Cracked hub motor side plate (inside view) / Cracked hub motor side plate (inside view) This was a maintenance error. I was trying to press out the bearing at the center but did not support adequately the material adjacent to the bearing.

Cracked hub motor side plate (side view)

Fri, 05 Aug 2022 20:33:58 +0000

Cracked hub motor side plate (side view) / Cracked hub motor side plate (side view) This was a maintenance error. I was trying to press out the bearing at the center but did not support adequately the material adjacent to the bearing.

Cracked hub motor side plate (outside view)

Fri, 05 Aug 2022 20:33:48 +0000

Cracked hub motor side plate (outside view) / Cracked hub motor side plate (outside view) This was a maintenance error. I was trying to press out the bearing at the center but did not support adequately the material adjacent to the bearing.

Pursuit head tube crack, right side

Fri, 05 Aug 2022 20:33:34 +0000

Pursuit head tube crack, right side / Pursuit head tube crack, right side Thsi crack passes through the right-side cable stop welds and into the main head tube weld.

Pursuit headtube crack, left side

Fri, 05 Aug 2022 20:33:19 +0000

Pursuit headtube crack, left side / Pursuit headtube crack, left side The crack passes through the welds for a cable stop that I ground off. The crack tips are in virgin tube wall to the left of the cable stop weld and into the main headtube weld on the right. The crack probably started at the sharp discontinuity on the inside of the cable stop weld.

Pursuit headtube crack @ cable stop

Fri, 05 Aug 2022 20:33:03 +0000

Pursuit headtube crack @ cable stop / Pursuit headtube crack @ cable stop Photo taken before I ground off the cable stop. After I ground off the cable stop I discovered the cracked passed through the cable stop weld.

FSA Orbit X 1" - crack on lower headset cup from Pursuit, inside view

Fri, 05 Aug 2022 20:32:09 +0000

FSA Orbit X 1" - crack on lower headset cup from Pursuit, inside view / FSA Orbit X 1" - crack on lower headset cup from Pursuit, inside view This headset had about 53,000 miles on it before the failure was discovered when I found new grease spot appearing on the outside of the cup after each ride over the last several rides. A closer inspection revealed the crack. It provided a good service life.

FSA Orbit X 1" - crack on lower headset cup from Pursuit, outside view

Fri, 05 Aug 2022 20:31:21 +0000

FSA Orbit X 1" - crack on lower headset cup from Pursuit, outside view / FSA Orbit X 1" - crack on lower headset cup from Pursuit, outside view This headset had about 53,000 miles on it before the failure was discovered when I found new grease spot appearing on the outside of the cup after each ride over the last several rides. A closer inspection revealed the crack. It provided a good service life.

Broken weld in Pursuit seat frame

Fri, 05 Aug 2022 20:30:27 +0000

Broken weld in Pursuit seat frame / Broken weld in Pursuit seat frame The crack appears to have started at the dimple (possible defect in material) adjacent to the bluest area of the weld as the crack surface in that location is darker than elsewhere around its circumference. The blue coloration is an indication of too much oxygen present during welding, leading to increased brittleness of the material. This should have prompted the welder to redo his work at the time.

Schwalbe Energizer Plus Tour sidewall failure

Fri, 05 Aug 2022 20:29:20 +0000

Schwalbe Energizer Plus Tour sidewall failure / Schwalbe Energizer Plus Tour sidewall failure This tear in the outer sidewall ply occurred spontaneously while riding the bike. The tire was rideable at reduced inflation pressure until I could get myself home, so i wasn't stranded. Although there is plenty of rubber left on the tread the tire had approximately 10,000km on it, so I feel that I got my money's worth.

Broken aluminum bottle cage

Fri, 05 Aug 2022 20:28:24 +0000

Broken aluminum bottle cage / Broken aluminum bottle cage You can see that the crack started at the inside of the bend and worked toward the outside.

Broken aluminum bottle cage

Fri, 05 Aug 2022 20:27:27 +0000

Broken aluminum bottle cage / Broken aluminum bottle cage You can see that the crack started at the inside of the bend and worked toward the outside.