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Durability Of Velocity Aerohead Rims In 20/24 Hole Drillings.
On 11/9/2010 1:17 AM, Michael Press wrote:
In , Tom Sherman wrote: On 11/8/2010 3:39 AM, Michael Press wrote: In article , wrote: Ed wrote: I am not convinced an eyelet is goint to solve things unless you get one that transfers the force to the inner wall of the rim - I don't think they make those any more. A single eyelet (grommet) serves two valuable purposes: It provides a better bearing surface for the spoke nipple head, and it helps prevent galling damage at the drilling from initiating cracks into the rim extrusion. Double eyelets (sockets) are still offered by Mavic, Rigida, and Alex on a few models. Whether they actually transfer any load to the internal wall of the rim depends on the specifics of the socket and the rim extrusion and manufacturing tolerances. On modern deep and semi-deep section rims, sockets offer the benefit of keeping nipples from going astray within the rim channel while the wheel is being laced. The CR18 has eyelets. It does not have sockets but they are overbuilt with doubled walls that serve for sockets. http://www.amazon.com/gp/product/images/B000C15K6G/ref=dp_image_text_0?ie=UTF8&n=3375251&s=sporting-goods The Sun CR-18 [1] is a good rim, but rather narrow at 22.5 mm. Are they narrow enough to properly support 25 mm tires? 23 mm? They still seem a bit fat under my 28 mm tires. [1]http://www.sun-ringle.com/bmx/rims/cr-18/, http://www.sun-ringle.com/product-vault/road-rims/cr18-700c-29er/. I bought a bike that had a 28-406 Conti GP on a CR-18 rim, but soon replaced it with a more appropriately sized (for my weight) 44-406 Mitsuboshi Tioga Comp Pool. -- Tom Sherman - 42.435731,-83.985007 I am a vehicular cyclist. |
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#2
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Durability Of Velocity Aerohead Rims In 20/24 Hole Drillings.
In article ,
Tom Sherman °_° wrote: On 11/9/2010 1:17 AM, Michael Press wrote: In , Tom Sherman wrote: On 11/8/2010 3:39 AM, Michael Press wrote: In article , wrote: Ed wrote: I am not convinced an eyelet is goint to solve things unless you get one that transfers the force to the inner wall of the rim - I don't think they make those any more. A single eyelet (grommet) serves two valuable purposes: It provides a better bearing surface for the spoke nipple head, and it helps prevent galling damage at the drilling from initiating cracks into the rim extrusion. Double eyelets (sockets) are still offered by Mavic, Rigida, and Alex on a few models. Whether they actually transfer any load to the internal wall of the rim depends on the specifics of the socket and the rim extrusion and manufacturing tolerances. On modern deep and semi-deep section rims, sockets offer the benefit of keeping nipples from going astray within the rim channel while the wheel is being laced. The CR18 has eyelets. It does not have sockets but they are overbuilt with doubled walls that serve for sockets. http://www.amazon.com/gp/product/images/B000C15K6G/ref=dp_image_text_0?ie=UTF8&n=3375251&s=sporting-goods The Sun CR-18 [1] is a good rim, but rather narrow at 22.5 mm. Are they narrow enough to properly support 25 mm tires? 23 mm? They still seem a bit fat under my 28 mm tires. [1]http://www.sun-ringle.com/bmx/rims/cr-18/, http://www.sun-ringle.com/product-vault/road-rims/cr18-700c-29er/. I bought a bike that had a 28-406 Conti GP on a CR-18 rim, but soon replaced it with a more appropriately sized (for my weight) 44-406 Mitsuboshi Tioga Comp Pool. No answer to the question of the narrowness of the rim? -- Michael Press |
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Durability Of Velocity Aerohead Rims In 20/24 Hole Drillings.
On 11/10/2010 12:47 AM, Michael Press wrote:
In , Tom Sherman wrote: On 11/9/2010 1:17 AM, Michael Press wrote: In , Tom Sherman wrote: On 11/8/2010 3:39 AM, Michael Press wrote: In article , wrote: Ed wrote: I am not convinced an eyelet is goint to solve things unless you get one that transfers the force to the inner wall of the rim - I don't think they make those any more. A single eyelet (grommet) serves two valuable purposes: It provides a better bearing surface for the spoke nipple head, and it helps prevent galling damage at the drilling from initiating cracks into the rim extrusion. Double eyelets (sockets) are still offered by Mavic, Rigida, and Alex on a few models. Whether they actually transfer any load to the internal wall of the rim depends on the specifics of the socket and the rim extrusion and manufacturing tolerances. On modern deep and semi-deep section rims, sockets offer the benefit of keeping nipples from going astray within the rim channel while the wheel is being laced. The CR18 has eyelets. It does not have sockets but they are overbuilt with doubled walls that serve for sockets. http://www.amazon.com/gp/product/images/B000C15K6G/ref=dp_image_text_0?ie=UTF8&n=3375251&s=sporting-goods The Sun CR-18 [1] is a good rim, but rather narrow at 22.5 mm. Are they narrow enough to properly support 25 mm tires? 23 mm? They still seem a bit fat under my 28 mm tires. [1]http://www.sun-ringle.com/bmx/rims/cr-18/, http://www.sun-ringle.com/product-vault/road-rims/cr18-700c-29er/. I bought a bike that had a 28-406 Conti GP on a CR-18 rim, but soon replaced it with a more appropriately sized (for my weight) 44-406 Mitsuboshi Tioga Comp Pool. No answer to the question of the narrowness of the rim? Why would anyone want to ride on tires narrower than 28-mm? -- Tom Sherman - 42.435731,-83.985007 I am a vehicular cyclist. |
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Durability Of Velocity Aerohead Rims In 20/24 Hole Drillings.
On 11/10/2010 1:47 AM, Michael Press wrote:
In , Tom Sherman wrote: On 11/9/2010 1:17 AM, Michael Press wrote: In , Tom Sherman wrote: On 11/8/2010 3:39 AM, Michael Press wrote: In article , wrote: Ed wrote: I am not convinced an eyelet is goint to solve things unless you get one that transfers the force to the inner wall of the rim - I don't think they make those any more. A single eyelet (grommet) serves two valuable purposes: It provides a better bearing surface for the spoke nipple head, and it helps prevent galling damage at the drilling from initiating cracks into the rim extrusion. Double eyelets (sockets) are still offered by Mavic, Rigida, and Alex on a few models. Whether they actually transfer any load to the internal wall of the rim depends on the specifics of the socket and the rim extrusion and manufacturing tolerances. On modern deep and semi-deep section rims, sockets offer the benefit of keeping nipples from going astray within the rim channel while the wheel is being laced. The CR18 has eyelets. It does not have sockets but they are overbuilt with doubled walls that serve for sockets. http://www.amazon.com/gp/product/images/B000C15K6G/ref=dp_image_text_0?ie=UTF8&n=3375251&s=sporting-goods The Sun CR-18 [1] is a good rim, but rather narrow at 22.5 mm. Are they narrow enough to properly support 25 mm tires? 23 mm? They still seem a bit fat under my 28 mm tires. [1]http://www.sun-ringle.com/bmx/rims/cr-18/, http://www.sun-ringle.com/product-vault/road-rims/cr18-700c-29er/. I bought a bike that had a 28-406 Conti GP on a CR-18 rim, but soon replaced it with a more appropriately sized (for my weight) 44-406 Mitsuboshi Tioga Comp Pool. No answer to the question of the narrowness of the rim? I run 35 mm tires on my 700c cr-18's (currently). |
#5
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Durability Of Velocity Aerohead Rims In 20/24 Hole Drillings.
In article ,
Tom Sherman °_° wrote: On 11/10/2010 12:47 AM, Michael Press wrote: In , Tom Sherman wrote: On 11/9/2010 1:17 AM, Michael Press wrote: In , Tom Sherman °_°twshermanREMOVE@THISsouthslope .net wrote: On 11/8/2010 3:39 AM, Michael Press wrote: In article , wrote: Ed wrote: I am not convinced an eyelet is goint to solve things unless you get one that transfers the force to the inner wall of the rim - I don't think they make those any more. A single eyelet (grommet) serves two valuable purposes: It provides a better bearing surface for the spoke nipple head, and it helps prevent galling damage at the drilling from initiating cracks into the rim extrusion. Double eyelets (sockets) are still offered by Mavic, Rigida, and Alex on a few models. Whether they actually transfer any load to the internal wall of the rim depends on the specifics of the socket and the rim extrusion and manufacturing tolerances. On modern deep and semi-deep section rims, sockets offer the benefit of keeping nipples from going astray within the rim channel while the wheel is being laced. The CR18 has eyelets. It does not have sockets but they are overbuilt with doubled walls that serve for sockets. http://www.amazon.com/gp/product/images/B000C15K6G/ref=dp_image_text_0?ie=UTF8&n=3375251&s=sporting-goods The Sun CR-18 [1] is a good rim, but rather narrow at 22.5 mm. Are they narrow enough to properly support 25 mm tires? 23 mm? They still seem a bit fat under my 28 mm tires. [1]http://www.sun-ringle.com/bmx/rims/cr-18/, http://www.sun-ringle.com/product-vault/road-rims/cr18-700c-29er/. I bought a bike that had a 28-406 Conti GP on a CR-18 rim, but soon replaced it with a more appropriately sized (for my weight) 44-406 Mitsuboshi Tioga Comp Pool. No answer to the question of the narrowness of the rim? Why would anyone want to ride on tires narrower than 28-mm? Who wouldn't want to? -- Michael Press |
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