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Specifications
The Jump Stop weighs 30 grams. • The clamp is UV-stabilized DuPont Zytel (black only). • All steel is 304 stainless. • Allen wrench included. • Lateral range of adjustment covers a gap between frame tube and chain of between 12mm and 35mm.
Hazard warnings: I use a small amount of Loctite
#77124 nickel-based anti-seize to prevent
identical-metal bonding between the nut and bolt.
This could provoke a reaction in people who are allergic
to nickel, and nickel is known to the State of
California to cause cancer. 77124 is also an eye
irritant. Avoid rubbing into eyes. Keep
plastic bag, loose nut, and bolt away from small
children. Potential choking hazard. Keep
loose clamp away from dogs. Header tag staples
have sharp points. Instruction sheet may cause
paper cuts. Sizing
In most cases, the needed Jump Stop
clamp
size will be the same as the front derailleur clamp
size. If
there is no size stamped on the front derailleur, or
there is no front
derailleur, the easiest way to determine seat tube
diameter is to cut a
strip of paper 4 inches (100 mm) in length, and wrap
it around the seat
tube. If the ends overlap by more than a quarter inch
(7mm), it's
probably 1-1/8 (29mm). (Exception, some
recumbents and old American bikes with one-piece
cranks may be smaller.) If the ends just barely
meet, the size is probably
1-1/4 (32mm). If the ends have a gap between them
greater than a
quarter inch (7mm), it's probably 1-3/8 (35mm). If you
have questions
about how difficult it is
to mount the Jump Stop, the instruction sheet is
reproduced here.
Order
information
You can order by e-mail at ngear@gvtc.com or by phone at (830) 755-4607. I will need to know quantity, size(s) and a destination postal address. I accept Paypal, either direct to ngear@gvtc.com or I can e-mail an invoice link, or I can accept cash by mail to the address at bottom. If you send cash or direct payment to Paypal, please also let me know by e-mail. Pricing: The Jump Stop costs $10 per unit. Shipping (by standard mail): U.S. - $6 per shipment (containing any number of units) Canada - $16 per shipment (containing up to six units*) Overseas - $22 per shipment (containing up to six units*) * I may have to leave out some Allen wrenches to keep from exceeding the weight bracket. Contact me if you need international shipping costs for more than six units. Feel free to e-mail or call if you need further information. Thank you for considering the Jump Stop. Nick N-Gear, Inc. ngear@gvtc.com (800) 659-4607 (830) 755-4607 303 Whitworth Rd. Boerne TX 78006-8559 |
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