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.
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…
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…
By Sheri Rosenbaum CYCLPLUS Price: $399 Trainer Weight (excluding cassette): 30 lbs (13.6 kg) Axle Compatibility: Thru-axle (12×142 mm / 12×148 mm) or quick release (5×130 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….
By Brandon Bilyeu Hot! Not! Cost: $209 How obtained: review sample from company Available: online, retail Colors: White, White/Octane Website: Sempre Cycling Shoes RBR Sponsor: no Tested: 25+ hours Sizing: 38-48 (full sizes only)
