Bontrager Flatline - Women's Review
Cons: Lacking in breathability and protection
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Bontrager Flatline - Women's
|Price||$130 List||$114.88 at Amazon|
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|Pros||Lightweight, comfortable, varied tread for different conditions||Lightweight, fantastic grip, great power transfer, durable||Excellent grip, comfortable, lightweight, breathable, reasonable price||Excellent grip, Lots of foot protection, durability||Inexpensive, offers a lot of protection, balanced grip|
|Cons||Lacking in breathability and protection||Breathability is not the best in hot conditions||Long laces, minimal foot protection||Bulky and heavy, poor ventilation, not the best choice for trail riding||Not the grippiest, moderate weight|
|Bottom Line||These kicks are a great option for someone who knows they like to have lots of freedom to adjust their feet on the pedals||A great performing all-round shoe with great power transfer and the right mix of stiffness, flex, and comfort||An excellent performing shoe for all types of flat pedal riders that has outstanding grip, comfort, and value||These are great for a downhill-specific rider, as they provide tons of foot protection and tenacious grip||This is an exceptional flat pedal shoe for someone just starting their mountain bike adventures, especially for the price|
|Rating Categories||Bontrager Flatline...||Five Ten Freerider Pro||2FO Roost Flat - Un...||Five Ten Impact Pro...||Livewire|
|Comfort And Protection (25%)|
|Rigidity And Power Transfer (20%)|
|Specs||Bontrager Flatline...||Five Ten Freerider Pro||2FO Roost Flat - Un...||Five Ten Impact Pro...||Livewire|
|Outsole||Vibram MegaGrip||Stealth S1||SlipNot™ ST||Stealth S1||Rubber Kinetics DST6.0 High Grip|
|Tread Pattern||Squares underfoot, zig-zags toe and heel||Full Hexagon Dot||Full Hexagon Dot||Full Dot||Full Haxagon Dot|
|Measured Weight Grams (pair)||600 g||616 g||669 g||986 g||754 g|
|Upper Material||Synthetic leather||Synthetic||Leather, Suede||Synthetic||Synthetic, mesh|
|Footbed||Ortholite||Ortholite||Body Geometry||Ortholite||D30 High Impact Zone|
|Size Tested||7.5||8||EU 40||8.5||9|
Our Analysis and Test Results
Bontrager is a branch off of Trek, named after Keith Bontrager, who was integral in the development of how we know mountain biking today. The Flatline is lightweight and flexible, giving you a lot of control and feel of the pedals. We think this makes up for the lack of grip, especially in comparison to other shoes we tested, and makes it worth considering for someone who likes to have more freedom to move their foot without disturbing the flow.
The Flatline has a similar grip to the other shoes we tested with Vibram rubber. We found the grip to be sticky, but still noticed these shoes slipping during technical climbing and when things got bumpy moving downhill. We think the shape of the lugs and the increased surface area with more texture on the Vibram rubber is what makes these shoes an edge. The toe and the heel feature a zig-zag pattern, we feel the variation in pattern helps when you have to take a short hike with your bike. However, when wet, the Flatlines feel slippery on the pedals.
We recognize that there are lots of different types of riders out there, so this might be a great shoe for someone who likes to take their feet off the pedals or adjust their feet a lot — in that case, this might be a great shoe for you. If you need a shoe that is more grippy with a similar price point, we suggest looking at some of the other models we tested.
Comfort and Protection
For what the Flatlines lack in grip, they make up for in comfort. Our feet loved the feel of these shoes primarily because they are so light. The tongue of the shoe is very padded and does not put any pressure on the top of your foot. During long bike rides, our toes didn't go numb, and we've concluded there is not any part of the shoe that decreases circulation.
These shoes could have more protection. There is reinforced material on the toe, and we could easily press our thumb into the material to make it flex. However, shoes with a specific anti-abrasion material perform much better.
We did find these shoes fit a little big, so if you are ordering, try to order a half size down from what you traditionally buy. The width is pretty average compared to the other shoes we tried.
Rigidity and Power Transfer
This shoe is on the more rigid side, but in comparison to other shoes tested it fell in the middle for rigidity. This shoe is also one of the lightest ones we tried, a fact that truly allowed us to be able to feel the pedal underfoot, especially when we wanted to make micro-adjustments. However, we had a hard time trusting this shoe after having our feet slip off and getting shinned by the pedal when riding powerfully.
The upper is made out of synthetic material and only has a few holes for breathability, so sometimes our feet got too toasty. But, not as hot as the other models we tested because there is less material, but still found them to be uncomfortable on hot, high output days.
Our biggest complaint about these shoes is the size of the shoelaces. Bontrager did provide an elastic strap, but they made it much lower on the tongue to accommodate the size of the laces. We think the shoe would be better if the elastic strap was higher and the laces were shorter. We also found that the laces stuck out quite a bit even when they were tucked underneath the elastic strap, leaving the potential to get caught in our chainring.
The upper material is fully synthetic. Despite the beating we gave them, these shoes barely showed any wear.
These were the lightest of the shoes we tested, making them an excellent option for someone who notices the weight on their feet. While they feel like feathers on your feet, they may not protect you when you hit a rock with your toe.
These are durable shoes, and because of that, your ability as a rider may outgrow them.
We think these are the perfect pair of shoes for someone newer to riding who may need more freedom to move their foot around on the pedal easily. They are very lightweight, making it easy to feel the pedal underfoot to help with bike management. And, they are very durable and will last you a long time.
— Bo Outland