Funded! This project was successfully funded on May 1, 2012.

Update #2

Manufacturing the GripRings and End Plug

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As promised in our last update, we wanted to share a couple photos to better explain how GripRings are made...

The silicone rings are made with a compression tool.  Below you can see both sides of our 36 cavity tool. The core and cavity side come together after being packed with silicone.  This assembly is then heated to rapidly cure the silicone.  After the curing process, the tool is opened to reveal 36 individual GripRings.

Unfortunately we don't have any images of the end plug tools, but the plastic and rubber end plug parts are made in a similar way. The plastic end plug cap is actually made with an injection molding tool, which works by injecting hot plastic that then cools inside the tool cavities. Below you can check out our polypropylene injection molded end plug caps. 

The end plug screw and nut are made on coolant bathed screw machines. Raw steel stock is fed into one side of the machine as a series of operations are preformed to cut the steel into final shape, threads and all. Check out the video...

After machining, the metal parts are sent off to a plating factory where a black oxide coating is applied. 

And finally we have the packaging card and Spurcycle sticker.  These are made with your standard 4 color printing press and die cutting machines.

Hope you enjoyed the brief GripRing manufacturing tour. Until our next update, happy riding.

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    9 backers

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    102 backers

    ONE GripRing set in backer’s choice of custom color pattern. That’s 16 rings (8 per grip) and two end plugs. Mid-summer shipment. FREE US shipping! International backers please include $10 extra for shipping.

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    EARLY BIRD!!! Get your set before everyone else from our first limited production quantity. Receive ONE GripRing set in backer’s choice of custom color patterns. That’s 16 rings (8 per grip) and two end plugs. FREE US shipping! International backers please include $10 extra for shipping.

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    35 backers

    TWO GripRing sets in backer’s choice of custom color patterns. That’s 32 rings (8 per grip) and four end plugs. Mid-summer shipment. FREE US shipping! International backers please include $10 extra for shipping.

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    51 backers Limited (149 left of 200)

    EARLY BIRD!!! Get your set before everyone else from our first limited production quantity. Receive TWO GripRing sets in backer’s choice of custom color patterns. That’s 32 rings (8 per grip) and four end plugs. +++PLUS get a limited edition Spurcycle designer T-shirt... not some over branded advertising gimmick, an actual t-shirt you’ll want to wear. We’ll post the design as soon as our local artist finishes it. FREE US shipping! International backers please include $10 extra for shipping.

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    20 backers Limited (80 left of 100)

    EARLY BIRD!!! Get your set before everyone else from our first limited production quantity. Receive THREE GripRing sets in backer’s choice of custom color patterns. That’s 48 rings (8 per grip) and six end plugs. +++PLUS get a limited edition Spurcycle designer T-shirt. FREE US shipping! International backers please include $15 extra for shipping.

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    EARLY BIRD BIKE SHOP STARTER KIT!!! Receive 24 GripRing sets (enough for 24 bikes, in your choice of packaged GripRing colors. Please see our "Single Grip Packaging".) Be one of the first retailers to offer GripRings. We will also feature a personal thank you to your shop on our website home page, featured front and center in our photo slider. FREE US shipping! International backers please include $40 extra for shipping.

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