Introducing the ToggleDrop
The ToggleDrop is an adjustable dropout assembly that allows precise axle positioning for optimal chain or belt tensioning. We now have a limited number of the assemblies available for sale; more are in production.
Components of the ToggleDrop Assembly
To purchase the complete assembly you must order three different items.
First step: order flat or flanged frame components
The frame components are the foundation of the ToggleDrop. They have the pivot for the insert, anchor for the toggle mechanism, and slots that allow the inserts to travel through their arc. They are available in 6/4 titanium (TD0081 - flanged, TD0082 - flat); we will have 17/4 stainless steel versions in the future.
Included with the purchase of the frame components are the toggle mechanism components, and the skewer. The right and left side toggle mechanism precisely control the axle movement and tension the chain or belt, and are made up of:
- TD0051 (QTY 2): M8 turnbuckle screw
- TD0054 (QTY 1): toggle lever
- TD0056 (QTY 1): right link
- TD0057 (QTY 1): left finger link
- TD1052 (QTY 2): turnbuckle pivot
- TD1053 (QTY 2): link pivot
- TD1054 (QTY 1): left link end
- TD1055 (QTY 1): right link end
- TD1057 (QTY 2): insert pivot
- TDCLIP (QTY 2 x 7 mm, 6 x 8 mm, 2 x 12 mm): retaining clips for pivots
The frame components and inserts are locked in place by the quick release skewer (SH001TD). The ToggleDrop is only compatible with a Shimano 142 x 12 mm skewer that has been modified to fit the dropout by Paragon Machine Works. The skewer comes with a titanium nut (TDSH002) and washer (TDSH003) that are made by Paragon Machine Works.
Second step: order a right side insert
The inserts are the moveable components of the assembly. They allow for different brake and derailleur options, as well as wheel positioning for proper chain or belt tensioning. Currently we offer a right side insert for a 142 x 12 mm skewer with no derailleur hanger, available in bare (DR4063 – coming soon) or black anodized (B4063) 6061 aluminum.
Third step: order a left side insert
More right and left insert options will be available soon.
Drawings for TD0081 (click on “Drawings” tab on the product page)
Drawings for TD0082 (coming soon)
Instructions for ToggleDrop Assembly
Download the Paragon Machine Works Products and Price List
Our shipping department will be closed while we are at NAHBS:
Thursday, March 13 - Monday, March 17.
Please place your orders in advance.
We apologize for any inconvenience.
See featured article above.
44 mm Titanium Headtube
Our selection of 44 mm titanium headtube now includes a 230 mm length, HT0026.
Titanium Bottom Bracket Shell
We now offer a 105.5 mm wide bottom bracket shell made from 3/2.5 titanium, BB0033.
Steel Seat Collar
Our first ever 4130 steel seat collar, MS2019, measures 1.375" OD x 2-3/8" long and is bored accurately to 30.9 mm. It has a 1/2" long step to fit a 1-3/8" x 0.035" seat tube.
Charlotte, North Carolina, March 14 - 16, 2014
The 2014 North American Handbuilt Bicycle Show is just around the corner! We are looking forward to vising with you at our Booth #714. We teamed up with Moots Cycles to build a bike that incorporates our new ToggleDrop. We are very excited to show you how they work so please stop by.
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