New-Old-Stock Shimano (First Generation) SuperGlide Chainring..52T and 130mm BCD

$49.99 Buy It Now or Best Offer
free,30-Day Returns

Seller Store bicyclists_retreat
(23199) 100.0%,

Location: Argonia, Kansas
Ships to: US,
Item: 391855633567

Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Country/Region of Manufacture:Japan
Material:Aluminum
Color:Silver
Part Type:Chainring
MPN:Does Not Apply
Distance Between Bolt Holes:130 mm
Compatible Bike Type:Road Bike
Mounting Type:5-Arm
Teeth:52t
Bolt Center Diameter:130 mm
Shimano:Shimano
Number of Teeth:52t

New-Old-Stock Shimano SuperGlide (First Generation) Chainring…52T and 130 mm BCD Thank you for your interest in this item and please visit our store for other offerings. We have very reasonable shipping terms and combine orders to save money (for customers) on shipping costs. We also maintain customer friendly return/refund/exchange policies. Product Description: This offering is for a new-old-stock Shimano SuperGlide (SG) round chainring. It’s a 52T aluminum alloy model from the early 90’s and has a bolt-circle diameter (BCD) of 130 mm. This model also includes a chain guard pin to help prevent an overshifted chain from lodging itself between the backside of the crankarm and this chainring. Shimano made better quality chainrings during this era, but through shop catalog research we confirmed these are Shimano 105 equivalent rings…so still a good quality offering with a number of Shimano double crankset applications. Additionally, Shimano spec’d a number of their road triple cranksets with the same BCD measurement for the middle ring and outer (largest) ring, which provides other compatible options for this offering. Although, please do not consider these rings for a Shimano mountain bike triple cranksets, as they generally have a smaller BCD measurement. Please note the close-up picture to the left indicates the chainring is narrow chain compatible, but this can be misleading when considering today’s market where current stock drivetrains include 9/10-speed cassettes. As discussed in more detail below, this reference indicates the narrower chain requirement of an early 90’s 7-speed drivetrain relative to older 5/6-speed drivetrains. Most of today’s narrower chains should still shift fine on this chainring, but slightly wider chains (7/8-speed chains) would be preferred when matched on 7/8-speed drivetrains. We have also noted the width of these rings appears slightly thinner at it’s mounting points relative to predecessor models. Our best guess is this slightly thinner design is to bring the rings closer together (when mounted) to better accommodate the narrower chain required for a 7-speed cassette/drivetrain (relative to the older 5/6-speed drivetrains). Please understand, this observation is focused primarily on the entire ring design and not necessarily the teeth…as the teeth on this chainring are compatible with the relatively standard 1/2″ x 3/32″ chain. We also believe these chainrings may be used on any number of drivetrains (5, 6, 7, 8 and even 9-speed drivetrains) with a compatible chain…meaning a chain with an appropriate external width for the intended drivetrain. If we had to make a recommendation, we would probably lean towards a 7 or 8-speed drivetrain, but there is some flexibility here…as alluded to above. With respect to condition, they are new and unused…and although bulk-packed…they are still in fairly nice condition (with some shopwear, but no signs of wear on any of the teeth). General notes regarding SuperGlide (SG) design/technologies… From what we can tell, Shimano introduced the SuperGlide chainring in the early 90’s. At a glance, the tooth design on these first generation SuperGlide chainrings appears fairly similar to older (pre-SuperGlide) Shimano chainrings. Both have beveled teeth to facilitate shifting, but the SuperGlide chainrings are the first to introduce slight variations in the shape of selected teeth (referred to as the tooth profile) at the two points of lowest pressure on the chainring (i.e., where the pedaling effort is generally at it’s weakest state). These changes to the tooth profile are subtle, but we are able to notice slightly different shapes to some teeth in this low pressure area (and especially on the larger chainrings). More specifically, some teeth appear narrower (but still the same height), while other teeth look as if they have been “squashed” slightly, as they appear shorter and a little wider. Whatever the tooth profile changes, Shimano claims the computer aided design facilitates shifting on the front chainrings by limiting the “shift shock” (where the shift is sudden and dramatic) and chain throwing occurrences. We are not entirely sure if these subtle tooth profile differences result in the significant shifting performance claimed by Shimano, but our guess is they probably offer some modest improvements over predecessor models with more uniform tooth profiles. Terms and Conditions: You may visit our store by clicking on this “Store Home Page” link and please note the product categories on the left side of our “Store Home Page”. We have also moved our “Terms and Conditions” to a separate page within our Ebay store. You may navigate to this page by clicking on the link on the left side of our “Store Home Page” (below the product categories) or you may click on one of our “Terms and Conditions” direct links herein. Note to international customers regarding shipping… We apologize to those that feel some of our international shipping charges are too high. We only charge actual shipping rates, but once an order exceeds a certain amount, we hesitate to use the least expensive US Postal Services First Class International service. We feel this way, because this service is not trackable or insurable…so more risk of loss. We prefer the US Postal Services Priority Mail International service for more expensive orders, because this service is trackable at USPS.com and insurable…so less risk of loss. Unfortunately, this service is more expensive, especially for smaller/lighter packages, relative to the First Class International service. We are sorry about these higher shipping costs, but hopefully our notes help to explain why this is the case. Note to international customers regarding customs… We also apologize to those that feel their country import taxes, duties and brokerage fees are excessive. As a small US business, we are required by customs’ laws to declare each order as a retail sale. Additionally, the declared order value must be equal to total store purchases and/or winning auction bids (less any shipping costs, as these are not considered in the declared value). As a result, each customer will be responsible for paying his/her own country taxes, duties and brokerage fees, which will be collected upon delivery. Again, we apologize for these additional costs, but we cannot afford the penalties and fines that come with breaking customs’ laws…so we have to strictly abide by them.

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Frequently Asked Questions About New-Old-Stock Shimano (First Generation) SuperGlide Chainring..52T and 130mm BCD in My Website

What are the best-selling New-Old-Stock Shimano (First Generation) SuperGlide Chainring..52T and 130mm BCD on www.fibusfamilyfoundation.org?

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