My 2018 Giant Defy has no rim brake mount between the seat stays. In order to attach the rear fender mounting tab I fabricated a bridge and fastened it to the frame using the built-in threaded inserts there. Another simple adaptation was to reshape the SS fender braces slightly to avoid interference with frame bits and fasteners at the dropouts. Otherwise installation was straightforward. Quality of materials is excellent and the final fit is very snug. The fenders work well. After several 30+ mile rides on sloppy wet, leaf and pine needle-strewn roads (it is Fall in the PNW) the bike has been surprisingly clean as were my shoes, socks, pants, etc. The only downside? Climbing up a grade over heavy drifts of wet pine needles, the needles collected between the front fender and the tire causing so much drag I thought I had a flat. Couldn't pedal against it, had to stop. Rotating the wheel backwards disgorged a fist-size wad of needles jamming me to a stop! Otherwise it's been smooth sailing. I'd buy them again.
I've been using these helmet mirrors for many years, and rely on them continuously to keep aware of what may be coming up from behind, be it a pack of riders, a fast moving car, or a large truck. I have now supplemented this awareness with a Garmin Varia rear tail light with radar. The combination works great to keep me as safe as possible on the road. Only draw back is when I get off the bike and take off my helmet, I still find myself just tilting my head to see behind me, forgetting the mirror is no longer there.
I have tried other detachable rear fenders and this was the most well designed because the parts that attach to the seat-post are very strong and the actual fender material is extremely thin and light. Since it is deflecting rain and mud etc., it is sturdy enough for those sorts of things.
The other thing that I like about this fender is that it does not shift around all the time like other detachable fenders. I think because it is made of very light thin material, if the bike gets a lot of torque left or right, the fender hangs on the seat-post better because it has very low mass.
This may be too niche a need for most people, but the Ottolock has worked perfectly in the manner I have used it. I bought the lock to carry on longer training rides this winter, while I was in Italy (90 days). Not living here full time, I have often felt nervous in the past, when I made these stops. I felt like my head was on a swivel when I did stop, always anxious about my bike's security. Now I feel assured that my bike will still be there when I'm ready to ride again. I really like the weight ' I have not noticed it in a jersey pocket when riding ' it's surprisingly light. The lock is quick to secure the bike, and quick to go back in a pocket to resume my ride. I wouldn't use this type of lock to secure the bike for long periods of time, but for a coffee break or run into the store for some Haribo, it has been exactly what I was looking for.
