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Hollow Pin Bicycle
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Sram PC 1051 P-Lock 10-Speed 114L Bicycle Chain List Price: $43.05 Sale Price: $24.99 |
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SRAM ChainsPowerLock non-reusable connecting link is includedCompatible with SRAM and Shimano 10-speed drive trainsItem SpecificationsColorSilverWeight257gWidth5.95mmLinks114linksNumber of Speeds10Chain CompatibilityShim/SRAM 10,SRAM 10Defined ColorSilver |
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SRAM PC 991 P-Link Bicycle Chain (9-Speed, Silver) List Price: $50.13 Sale Price: $29.00 |
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SRAM PC-991 9-Speed Chain.Made with SRAM's proven step-riveted processItem SpecificationsColorSilverWeight294gWidth6.8mmLinks114linksNumber of Speeds9-SpeedChain Compatibility9-SpeedDefined ColorSilver The SRAM PC991 P-Link Bicycle Chain is compatible with eight and nine speed derailleurs including SRAM and Shimano makes. Built for reliable and accurate shifting as well as durability, the PC991 features HollowPin construction for retention strength and shifting efficiency at a lower weight. The PC991 features bulged outer plates with step processed chrome hardened rivet pins and chamfered inner side plates for fast, smooth, quiet shifts. The chain is easy to install thanks to the PowerLink connector that opens and closes without tools. Built to last, the PC991 P-Link Chain carries a two-year limited warranty from SRAM. |
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SRAM PC 1091R Hollow Pin P-Lock 10-Speed 114L Bicycle Chain List Price: $84.00 Sale Price: $49.90 |
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SRAM PC-1091 Chains1091R has cutouts n the outer linksPowerLock non-reusable connecting link is includedCompatible with SRAM and Shimano 10-speed drive trainsHollow pins joined with the flush-rivet process, SRAM's strongest riveting technologyItem SpecificationsColorSilverWidth5.95mmLinks114linksNumber of Speeds10Chain CompatibilityShim/SRAM 10,SRAM 10Defined ColorSilver The PC 1091R PowerChain from SRAM is designed and built to provide faster and smoother shifts--at a reduced weight--without sacrificing strength. Optimized for ten-speed bikes, the PC 1091R features more heavily chamfered outer plates for improved shifting and quieter operation. The chrome hardened, HollowPin construction, meanwhile, shaves grams compared to solid pin chain applications, while still yielding high plate retention strength and front/rear shifting efficiency. Thanks to PowerLock connections, the chain is easy to install and requires no tools. Built for miles of riding, the PC 1091R carries a two-year limited warranty from SRAM against manufacturer's defects. PowerLock connections allow you to install your chain without tools. Specifications: Compatible Gears: 10 Closing Link: PowerLock tool-less connecting link Outer Plate: Nickel Silver with Lighting Hole Inner Plate: Nickel Silver Pin Treatment: Chrome Hardened Pins Weight: 255 Grams / 114 links Rivet Type: Hollow Pin Recommended Group: SRAM Red and industry standard 10 speed systems Compatibility: SRAM Red, SRAM Force, SRAM Rival, SRAM Apex and industry standard 10 Two-year warranty against manufacturer's defects |
Featured Article:

Bike chains are used nowadays for more than forward motivation of bicycle and rider. The latest trend is adapting the special chain design to create mens bracelets. More innovation has led to necklaces and women/ladies bike chain jewelry. The latter uses a smaller width chain (also known as roller width in the bicycle world) for a feminine feel and comfort appeal. But what are the differences between a bike chain bracelet or necklace made specifically for jewelry use, and an actual bike chain? Read on to find out.
For starters, bike chains used for jewelry and bicycles/motorbikes:
A) are typically made with stainless steel
B) consist of a roller (which usually sits on the sprocket of a bike)
C) and inner and outer stainless steel plates.
Though the roller and plates covers most of the parts, that's where the similarities end.
Actual Chains Used in Bikes and Motorcycles
1.A bike chain used for its originally intended purpose may/or may not use bushings inside the rollers.
2.Pins (or rivets) are used to connect the links. Because the chain needs to be sturdy, the pin is designed to hold the roller firmly against the outside of the chain. No side to side play is allowed so that the chain glides perfectly on the sprocket of a bike.
3.No special finishes are applied, and grease is used to keep the chain 'bending' smoothly as intended
4.Due to the rigid design, an actual bike chain is not very comfortable to wear.
Bike Chain Bracelets and Necklaces
1.No bushings are used in the rollers as it is not necessary when a bike chain is adapted for jewelry use.
2. To make bike chain jewelry comfortable and practical for daily wear, a hollow tube and a small pin are used to connect the links. There is a bit of sideways play allowed for the roller via this design which makes the chain more flexible. The result is increased comfort.
3. Extra machine polishing should be applied to the chains if the chain is properly designed and made for jewelry use. To further improve shine, a thin clearcoat may be applied in higher-end designs. Nickel plating is also used at times, so people with nickel allergies be sure to verify before purchasing.
4.No grease is needed or used
5.A fold-over clasp is the best method for a bracelet or necklace as it's very secure. A lobster clasp is more brittle but is easier to use when taking on or off your jewelry.
The overall design appears to be the same, but for the many reasons listed here, the typical bike chain design requires a few changes before it can be used as daily jewelry. As with a regular bike or motorbike, changing the links of a bracelet or necklace can be demanding and require unconventional tools. This makes it hard to resize the length of the chain which will usually be necessary for a perfect fit.
The emerging trend of the bike chain design has been recognized at JewelryHype, where innovations lead to a wide selection of bike chain bracelets and mens bike chain jewelry. They also take care of the professional sizing of your jewelry for free. On that subject, look for my upcoming article on resizing bike chain jewelry at home.
Take A Home Security Survey
Home security should be a top priority for everyone who owns or rents a home or apartment. A good proactive home security plan goes a long way toward making your house a home. Burglary and home invasion crimes are at all time highs. Criminals look for easy targets, by doing your homework you can drastically decrease the chances of having your home victimized.
One of the best ways to ensure that you've got your home covered is to complete a home security survey. A home security survey is an excellent tool to help you determine the areas of your home that you need to focus on. After completing the survey, pay close attention to the areas that you answered ‘no'. Home security surveys are available via most local or state law enforcement agencies. For your convenience we appended a comprehensive survey below.
Take time to complete the survey below. For each question, simply answer ‘yes' or ‘no'. An answer of ‘no' should be a call to action. Thanks to the Charlottesville, VA Police Department for providing such a comprehensive home security survey.
Exterior Door Safety
- All doors are locked at night and every time we leave the house – even if it's just for a few minutes.
- Exterior doors are solid hardwood or metal-clad (not hollow).
- Doors have peepholes installed at levels that all family members can utilize.
- If you have glass panels in your doors, they should be reinforced or shatter proof.
- All doors should have a sturdy deadbolt lock installed into the frame.
- Do not keep spare keys under the doormat or hidden anywhere outside your home.
Garage and Sliding Doors
- The door leading from the attached garage to the house is solid wood or metal-clad and protected with a quality keyed door lock and deadbolt.
- The overhead garage door has a lock so that we do not rely solely on the automatic door opener to provide security.
- Garage doors are all locked when leaving the house.
- The sliding glass door has a strong, working key lock.
- A dowel or a pin to secure a glass door has been installed to prevent the door from being shoved aside or lifted off the track.
- The sliding door is locked every night and each time we leave the house.
Protecting Windows
- Every window in the house has a working key lock or is securely pinned.
- Purchase a wireless home security system complete with motion and door/window senors
- Windows are always locked, even when they are opened a few inches for ventilation.
Outdoor Security
- Shrubs and bushes are trimmed so there is no place for someone to hide.
- There are no dark areas around our house, garage, or yard at night that would hide prowlers.
- Every outside door has a bright, working light to illuminate visitors.
- Floodlights are used appropriately to ensure effective illumination.
- Outdoor lights are on in the evening – whether someone is at home or not or a photocell or motion-sensitive lighting system has been installed.
- Our house number is clearly displayed so police and other emergency vehicles can find the house quickly.
Security When Away From Home
- At least two light timers have been set to turn the lights on and off in a logical sequence, when we are away from home for an extended time period.
- The motion detector or other alarm system (if we have one) has been activated when we leave home.
- Mail and newspaper deliveries have been stopped or arrangements for a neighbor/ friend to pick them up have been made when we go away from home for a period of time.
- A neighbor has been asked to tend the yard and watch our home when we are away.
Outdoor Valuables and Personal Property
- Gate latches, garage doors, and shed doors are all locked with high – security, laminated padlocks.
- Gate latches, garage doors, and shed doors are locked after every use.
- Grills, lawn mowers, and other valuables are stored in a locked garage or shed, or if left out in the open, are hidden from view with a tarp and securely locked to a stationary point.
- Every bicycle is secured with a U-bar lock or quality padlock and chain.
- Bikes are always locked, even if we leave them for just a minute.
- Firearms are stored unloaded and locked in storage boxes and secured with trigger guard locks.
- Valuable items, such as televisions, stereos, and computers have been inscribed with identifying number.
- Our home inventory is up-to-date and includes pictures. A complete copy is kept somewhere out of the house
About the Author
Bryan Buckner is a top self defense & surveillance consultant and business owner. He opened Guardian Self Defense & Security Products LLC in 2005. Since that time Guardian has successfully helped over 31,000 (and counting) consumers and small businesses improve their security situation. Proud members of the South Louisiana Better Business Bureau.
Three sides of Chicago
CHICAGO –The man wearing the white skull cap at the Hindu grocery store on Devon Avenue plucked a quarter from his pocket and began plunking it on a coconut. If it sounded too hollow, he explained, that meant it was too dry. This time, the fruit seemed fresh –just like my trip to Chicago.
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