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After upgrading the front crankset, rear freewheel, (53/17 final gear ratio), chain, LT48 battery, 20-amp controller and display the bike was a beast. Easily commuting to work at 26-27mph and hitting 28-29+ with a bit more effort. The issue was at those speeds in LA traffic I needed the ability to stop fast too. And re-adjusting my brakes every ~2-3 weeks was also getting annoying. The solution was new tires, hydraulic brakes, and Rotors. Here's what I got: -- Rotors: Shimano Deore RT66 180mm 6-Bolt Disc Rotor Brakes: PASION E BIKE MTB Hydraulic Disc Cut Off Power Brake E-Bike (This is basically just a Shimano Hydraulic brake set that's been modified to have the motor cut-off. Make sure to select the right option, in my case it was the second one from the left as my controller has the 2-pin (red) motor cut-off). Rotor Spacer: Shimano F180P/P2 Disc brake adapter Hose Wire Clip Clamps: Jiyaru Bicycle Cable Guide Brake Line Holder Hose Wire Clips Clamps (To route the hydraulic hose by attaching these to the existing closed cable lines). Tires: Schwalbe Marathon Plus HS 348 Road Bike Tire -- This thing stops like a beast now and with the extra traction from these tires this is a nice safety upgrade. Should reduce the changes of flats too as these tires have built-in tire-liners essentially. So far really happy with the upgrade. :) I hope this helps somebody out! Chad

Tires, Tubes, etc... http://www.bikeman.com/TR0360.html?utm_source=GoogleBase&utm_medium=GoogleBase&utm_campaign=GoogleBase&gclid=Cj0KCQiA8f_eBRDcARIsAEKwRGfKdElSYFEPPK7yZr15-lT0aEbSKQZhCgeZbrWwA5VHdowzBKr33GwaAllPEALw_wcB http://store.sondorsforum.com/collections/accessories https://www.fattirebikeparts.com/index.php/extreme-fat-tire-bike-parts-and-components-online-store/fat-tires-fat-tire-tubes-for-fat-tire-bikes/xtreme-patented-skull-pattern-fat-tires-detail http://www.ebay.com/itm/2PAK-Sunlite-Vee-Crusher-26-x-3-5-Wire-Bead-Fat-Bike-Tires-Black-fit-Speedster/371308581884 https://www.walmart.com/ip/2-Vee-Rubber-26x4-7-Mission-Command-Pair-Fat-Tires-Folding-Bead-Silica-Compound/320476468?wmlspartner=wlpa&selectedSellerId=10232&adid=22222222227144302754&wl0=&wl1=g&wl2=t&wl3=253414499279&wl4=pla-416990220389&wl5=200623&wl6=&wl7=&wl8=&wl9=pla&wl10=117446822&wl11=online&wl12=320476468&wl13=&veh=sem http://www.treefortbikes.com/product/333222416140/1528/Vee-Tire-Co-Mission-Command.html?utm_source=google&utm_medium=cpc&adpos=1o1&scid=scplp333222416140&sc_intid=333222416140&gclid=CjwKCAjwnLjVBRAdEiwAKSGPI3b8STHe_0gtM0A8M1T7OP6416l5nf3LxDu_3ys3U1S7Qu1H4b4A-BoC-BkQAvD_BwE Mr. Tuffy tire protectors http://www.ebay.com/itm/MR-TUFFY-XL-SERIES-Fat-Bike-3XL-26-29x3-1-4-0-Tire-Guard-Liner-Tan-Pair-/301842802164 Studded Tires http://www.aliexpress.com/item/26x4-9-Studded-Tyres-for-Chaoyang-for-sondors-ebike-fat-bike-tire/32597372847.html Fat Tire Rim Strips http://www.amazon.com/Fat-Bike-Rim-Strips-yellow/dp/B01AJFEB32/ http://store.sondorsforum.com/accessories/products/fat-bike-low-profile-street-tire?variant=5690083587 MAXXUS Mammoth Fat Tire http://www.ebay.com/itm/272084778558 VEE Rubber Tube 26"x4.00 (will also fit to 4.9) http://www.niagaracycle.com/categories/vee-rubber-26x4-00-av-26-fat-bike-av-26x4-0

Commute to and from work... haul propane gas water & groceries uphill for my dry off grid cabin... Year round... In Alaska. Thank you Sondors... Amazing vehicle... Bravo!

What is an better quality tire for a fat bike, than the ones provided by Sondors.

I don't know about the rest of you but one of the first things I did was to put some more street friendly tires on my Sondors fat bike. I ended up going with the Vee Rubber Speedsters in a 26" x 3.5" x 120TPI size. They sort of look like snake skin on the bike, large but still cool. I find for my riding needs, since I do mostly street and gravel/paved types of roads, these work very well. I am running them at around 20PSI for now (rated at 36PSI max), and have the upgraded fork up front to help absorb some of the impact. They are much quieter, don't self-steer when gusts of wind hit them, and were reasonably priced. I used Surly 26" x 3.0-4.8 tubes to replace the large 26" x 4.9" stock tubes. They are also about half the weight of the stock tires, dropping around 2000g off the total bike weight. I had considered something a bit lower profile like @biknut's Maxxis Hook Worm 26" x 2.5" but they were a bit too low profile for me. I thought these were a nice compromise while still keeping the fat bike look. So what do you use or recommend for replacement tires?