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Bicycle Mechanics and Repair Decal-
Physics 98/198Spring2014
Presented by BicyCAL, UC Berkeley’s bicycle and Razor scooter repair
cooperative.
BicyCAL is a student founded and cooperatively run organization at UC Berkeley whose mission is to empower UCB students, faculty and staff to successfully integrate the bicycle into their daily lives. To that end we seek to provide a space where members of our community can learn how to maintain, operate and love their bicycles in an inclusive and safe place. We offer peer-to-peer bicycle repair and maintenance education in a radically positive environment.
Learning ObjectivesSafety
• Helmet use• Theft Prevention• Riding at night• Defensive Riding• Preventative Maintenance
Bike Mechanics
• Basic repair on the road• Regular upkeep• Advanced diagnosing and
repair on all components of a bicycle
Outreach
• Learn and teach others• Explore ways to help the
cycling community at Cal and in the Bay Area
About the Class
• 2 hr. lecture per week– Students will learn the theory behind the basics of
bicycle repair and get hands on experience on all components.
• 1 hr. of field study every other week.– Students will practice and improve their repair
skills with field study, by volunteering in during BicyCal open hours.
• 1 page paper due at end of semester.
Attendance and Grading
• 2 absences allowed without make-up
• Absences beyond 2 must be made up with field work
• Maximum of 4 absences total
• Grading will be based on attendance and a short paper to be assigned towards the end of the semester, and a progressive skills assessment.
Resources Available Online
www.bicycletutor.com www.parktool.com/blog/repair-help
www.bikewebsite.com www.sheldonbrown.com
Resources Available Locally
www.Spokeland.org Missing Link
Mike’s Bikes East Bay Bike Coalition (www.ebbc.org)
Bicycle Safety – Preventative Maintenance
Maybe check your bike once in awhile before your hit the road. This includes:-- Occasionally grab your brakes, make sure they don’t feel overly ‘spongy’ and that they cannot touch your handlebars.– Lubricate the chain once a month or so, more if it is really
rainy or if you leave your bike outside a lot.– Occasionally check the position of your quick-release
skewers (if you have them), especially if you park your bike in crowded bike racks where they can get kicked.
– Pinch your tires and inflate them if they are really squishy.
HelmetsSome people wear helmets all of the time. Some don’t. If you’re going to wear one you may as well get a good one and wear it right.
http://www.cpsc.gov/kids/kidsafety/correct.html
Year No Helmet
Helmet Total*Num
2004 602 (83%)
87 (12%) 722
2005 676 (86%)
77 (10%) 784
2006 730 (95%) 37 (5%) 669
2007 646 (92%) 50 (7%) 699
2008 653 (91%) 58 (8%) 714
Bicycle Deaths by Helmet Use
Helmets are important for riders of all ages, especially because 86 percent of bicycle deaths are persons 16 and older.
Statistics from the Insurance Institute for Highway Safety Fatality Facts: Bicycles - 2008
www.helmets.org
And the DMV says…
http://dmv.ca.gov/pubs/hdbk/shr_slow_veh.htm#bike
Street Legal Vehicle!Front and Rear Lights
CateyePlanet Bike
Reflectors
Bicycle Anatomy.
Again.
And again.
Theft Prevention
Some General Rules
http://www.streetsblog.org/2006/09/27/another-model-berkeleys-bicycle-boulevard-network/http://www.streetsblog.org/2009/10/28/second-life-nyc-parking-meters-to-reincarnate-as-bike-racks/
•Gone for 1 minute? Lock it.•Park in visible spots with heavy pedestrian traffic.•Park next to a more expensive bike.•Lock your bike to something, not to itself.•Don’t park your nice bike in the same place every day.•Have a good lock.•Accept that your bike may be stolen.
What Do I ‘Need’?THE U-LOCK
+THE CABLE
http://bikedepot.com/product/kryptonite-new-york-fahgettaboudit-u-lock-43799-1.htmhttp://bikedepot.com/product/kryptonite-kryptolok-series-2-std-with-4-foot-flex-cable-43810-1.htm
•Having a cheap bike helps. Breaking the lock might cost more than the bike itself.
One Way To Lock Your Bike.
http://technology.open.ac.uk/oubug/commuting/comm-gen.htm
U-lock secures the frame and front wheel to the post.
Cable lock provides an additional lock to the frame and front wheel. Also can lock back wheel and seat post.
Sheldon Brown Method
