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E-Bikes
NYC E-Bike Speed Limit: The 15 mph Rule Explained
New York City caps e-bike, e-scooter and pedal-assist riders at 15 mph, even though Class 1 to 3 e-bikes assist to 20 or 25 mph. What the rule covers.
Latest articles
Fresh guides, tips and fixes from the workshop.
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Commuter Cycling
Colorado’s Safety Stop Law: Stop Signs, Red Lights and the Age 15 Rule (HB22-1028)
Colorado's Safety Stop Law (HB22-1028): who may treat stop signs as yields and red lights as stops, the 10 mph limit, the age 15 rule and what stays local.
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Cycling for Beginners
Does Cycling Cause Erection Problems? What the NHS 3-Hours-a-Week Advice Means
The NHS lists a cycling break if you ride over 3 hours a week among its ED lifestyle advice. What the studies show, other causes, and when to see a GP.
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Technical Reference
Rider Weight Limit on a Standard Bicycle: What Two Makers’ Manuals State
Trek counts rider, bike and gear in one limit; Momentum lists rider and luggage separately. See how the figures differ and how to work out your own.
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Kids & Family Cycling
Should a Child Take the Bike Helmet Off at the Playground?
Yes: keep the helmet on to ride, then take it off once your child is off the bike. Why helmets and straps can trap children on playground equipment.
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Buying Guides
California SB 1271: E-Bike Battery Testing and Labeling Rules for Sellers and Buyers
California's SB 1271 requires lab-tested e-bike batteries and lab marks on new products sold since 2026. What it says, how to check a listing, and its limits.
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Bike Maintenance
Seatpost Keeps Slipping Down: What to Check, in Order
A sinking seatpost: check clamp torque, dry bolt threads, post size, then assembly compound. Printed torque is a ceiling; cracks mean stop riding.
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E-Bikes
Where Are Class 3 E-Bikes Legal in New York State?
New York law allows Class 3 e-bikes only in a city of one million or more, which NYSDOT reads as New York City. The three classes and 25 mph cap explained.
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Commuter Cycling
Ontario’s One-Meter Passing Law: What ‘Where Practical’ Means
Ontario drivers must leave one meter when passing a cyclist where practical, or may face a fine and two demerit points. What it means for drivers and riders.
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Cycling for Beginners
Can Your Medicine Make Hot-Weather Riding Riskier?
Some prescription and over-the-counter medicines change thirst, sweating and fainting risk in heat. What to ask your doctor, and when to stop riding.
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Technical Reference
Is a Bike Helmet Mandatory in Spain? What Changed on October 1, 2026
Since October 1, 2026, Spanish cyclists need a helmet outside built-up areas. Under-16s and working riders need one on every road. Who is covered.
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Vintage & Classic Bikes
What Do Reynolds 531 Decals Mean? Butted, Plain-Gauge and Fork Marks Explained
The five Reynolds 531 decals from the maker's 1972 booklet decoded: which tubes are 531, what butted and plain gauge mean, what the fork mark covers.