Jim’s Tech Talk By Jim Langley Last week we covered Pirelli’s new Smartube road bike inner tube, which is their new high performance TPU tube (TPU stands for thermoplastic polyurethane). In describing their new TPU tube we provided some of the pros and cons of this relatively new type of tube. … [Read more...] about A Simple Hack To Prevent Punctures at the Base of Presta Valves
1Bikes & Gear
Patience Is Key for Home Bicycle Repairs
By Stan Purdum Jim Langley recently wrote in Road Bike Rider about the retirement of bicycle mechanic par excellence Calvin Jones, who has made many videos for the Park Tool YouTube channel showing how to make bicycle repairs. Jim rightly praised Calvin for his efforts to educate bike enthusiasts in how to handle these repairs themselves. In the reader response section … [Read more...] about Patience Is Key for Home Bicycle Repairs
Quick Review: Pirelli Smartube RS TPU Tubes
Jim’s Tech Talk By Jim Langley In case you haven’t yet heard of - or tried thermoplastic polyurethane inner tubes for tires (“TPU tubes” for short), the reasons a lot of roadies have switched to them is because they’re much lighter than standard butyl tubes (one third to one quarter of the weight) and they’re so much smaller, that you could carry several in a pocket or … [Read more...] about Quick Review: Pirelli Smartube RS TPU Tubes
CYCPLUS R200 Smart Bike Trainer Review
By Sheri Rosenbaum CYCLPLUS Price: $399 Trainer Weight (excluding cassette): 30 lbs (13.6 kg) Axle Compatibility: Thru-axle (12x142 mm / 12x148 mm) or quick release (5x130 mm / 5 x 135 mm) Cassette Compatibility: Shimano/SRAM HG 8-12 speed, XDR (with optional freehub) Max Power: 2200 watts Power Accuracy: + 1% Max. Torque: 80 Nm Max. … [Read more...] about CYCPLUS R200 Smart Bike Trainer Review
UDOG Sempre Cycling Shoes Review
By Brandon Bilyeu Hot! Nylon-Carbon composite sole is stiff and comfortable Last takes the middle ground between skinny and wide Single dial effectively locks foot in the shoe 5mm fore/aft slotted 3-bolt cleat mounting holes Deep heel cup and effective grippers Not! UDOG dials don’t have micro adjust for loosening, only full release Tension … [Read more...] about UDOG Sempre Cycling Shoes Review