In the world of quick release seat post racks there appears to be only one that has 3 point attachment system.
Seatpost bike rack reviews.
If your bike has mudguard eyelets but none on the seatstays a simple and elegant solution is to replace the seat clamp with one that s threaded for rack attachments.
Blackburn sp 1 seat post rack bike rack user reviews.
Seat post mounted braze on or even braze on with side loads.
Most quick release beam seat post racks connect directly to the seat post.
To fit other racks to such bikes.
2 2 out of 5 5 reviews.
The arkel randonneur seat post rack connects both to the seat post and to the seat rails making a strong 3 point connection.
Cyclingdeal bicycle bike alloy seatpost mount rear back cargo pannier rack universal mountain or fat bike luggage carrier lightweight 4 3 out of 5 stars 62 1 offer from 59 90.
I replaced an older mountain bike with a similar seatpost rack but it used a quick release lever and shims which would not fit the large seatpost size of the new bike.
The spx 1 fit just fine using 4 bolts and a rubber sleeve that makes for a solid no slip fit.
I d use a frame mounted rack if i could but the frame isn t set up for it.
If you are a mountain biker you definitely pick the seat post mounted rack as it will not interrupt you in your cycling session and will keep your tools or any other things safe.
If you need the panniers it s better to have the higher load capacity.
Upanbike 22lbs capacity mountain bike bicycle adjustable length rear rack quick release mounted at seatpost luggage carrier cargo 4 2 out of 5 stars 111 20 99 20.
Axiom dlx streamliner disc.
Upanbike 22lbs capacity mountain bike bicycle adjustable length rear rack quick release mounted at seatpost luggage carrier cargo 4 3 out of 5 stars 145 20 99 20.
Anyway the biggest draw back to seatpost racks is the weight limit 20 to 30lbs as compared to 40 to 60lbs for a frame rack.
The market offers various types of racks.
I installed this rack on my new trek fuel full suspension bike.