Diamondback Metric 1 Bike
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Whether you are looking for a fun ride down the local greenway or through the city on your way to work, the Diamondback Metric 1 bike is a perfect companion—it's light, nimble and sturdy.
Shop similar productsKey Details
- 6061 custom-formed and heat-treated aluminum frame and Sport Fitness geometry offer efficiency and durability on city streets
- Alloy 31.8 mm riser bar puts you in an upright position and gives you the stability and handling of a mountain bike
- Shimano Acera 8-speed drivetrain with Shimano EF500 EZ Fire 3 x 8-speed shifters offers 24 gears to choose from while navigating city streets
- 700c wheels and custom alloy frame keep the ride quick and efficient
- Tektro 837 V-brakes keep speed under control
- Bigger Vee Tire Co. Zilent 700c x 35 mm tires provide a stable, comfortable and reliable ride for tackling any obstacles the pavement throws at you
- Includes full fender and rack mounts for commuting and hauling gear (fenders and racks not included)
- NOTE: Specs and images are subject to change based on component availability
Imported.
- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
Best Use | Recreational Cycling |
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Frame | 6061 Aluminum |
Bike Suspension | No Suspension |
Fork | Steel with die-cast dropouts |
Fork Travel | Not Applicable |
Crankset | Shimano Tourney TY501 with Chainguard, 48/38/28T |
Bottom Bracket | Sealed cartridge bearing |
Shifters | Shimano EZ Fire EF500 3 x 8 speed |
Front Derailleur | Shimano Tourney TY710, Top Swing, Dual Pull |
Rear Derailleur | Shimano Acera M360 8-speed |
Rear Cogs | Shimano HG200 8-speed cassette, 12-32T |
Number of Gears | 24 gear(s) |
Brake Type | Rim |
Brakes | Tektro 837 aluminum V-brake |
Brake Levers | 4-Finger |
Rims | Aluminum double wall with CNC sidewall, 32h |
Front Hub | 32-hole |
Rear Hub | 32-hole |
Wheel Size | 700c |
Tires | Vee Tire Co. Zilent 700c x 35 mm |
Tire Width | 35 millimeters |
Handlebar Shape | Flat Bar |
Handlebar | Aluminum, 15 mm rise, 31.8 mm |
Stem | Aluminum, 31.8 mm bar bore |
Seat Post | Aluminum Micro Adjust 27.2 x 350 mm |
Saddle | DB Performance padded with steel rail |
Pedals | Aluminum body/steel cage |
Headset | 1-1/8 in. |
Chain | KMC Z8 |
Weight | 32 pounds |
Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
Gender | Unisex |
S | M | L | XL | |
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Height Range | 5'4'' - 5'7" | 5'7" - 5'10" | 5'10" - 6'1" | 6'1" - 6'4" |
Reach | 378.0 | 384.0 | 395.0 | 402.0 |
Stack | 545.0 | 559.0 | 573.0 | 599.0 |
Standover Height | 689.0 | 720.0 | 770.0 | 799.0 |
Head Tube Length | 120.0 | 135.0 | 150.0 | 175.0 |
Head Tube Angle (degrees) | 70.5 | 70.5 | 70.5 | 70.5 |
Seat Tube Angle (degrees) | 73.0 | 73.0 | 73.0 | 73.0 |
Bottom Bracket Height | 280.0 | 280.0 | 280.0 | 280.0 |
Wheelbase | 1008.0 | 1029.0 | 1050.0 | 1071.0 |
Chainstay | 440.0 | 440.0 | 440.0 | 440.0 |
Fork Offset | 45.0 | 45.0 | 45.0 | 45.0 |
Sizing Notes
Measurements are stated in millimeters unless otherwise indicated.
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.
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bicycle version of a Subaru Crosstrek
I have had the Metric1 for about two months now (it was a Christmas gift to myself; boy was I surprised when I unwrapped it! ;-)). The things I like the most about it are the relatively lightweight frame, the basic tech/mech, and the 700c wheels. The things I don't like are the limitation on tire size (I've not tested anything larger than the stock 35mm I should say, but it doesn't appear to me that it would take much-, if any-, larger tires), the brake/shifter combo levers (I worry about anything that I have no experience fixing, as well as tend to disfavor one thing that does more than one thing), as well as the release for the front wheel brakes. The latter bothers me because I have to remove the wheel to load the bike into my car and the rubber boot on the brake cable doesn't seem very durable. It will break at some point and I have no idea where to buy a replacement; amazon? I ride mainly on paved public park paths. I very occasionally go on some quieter side streets, and I do like to ride off the pavement now and then. My previous bicycle was an ancient hybrid/mtb, GT Talera. It was 20 years old when I got it and I fixed it up one part at a time over the last 10. It had 26" wheels and I could put up to 2.95 sized tires on them. As noted, the Metric came with 35mm tires and presta valved tubes. In case it matters to you, there are no markings to indicate that the wheels could be converted to tubeless tires. I have been getting more confident to ride the Metric off the paved path and onto some grassy surfaces, as well as make a regular practice of doing about 2km on a gravel road as part of one of my usual circuits. I ride about 15km 3-4 times @ week, depending on the weather. It's not as easy to ride the Metric off-road as it was the Talera, but I think that is down to my not having a lot of experience with the larger diameter wheels and my general lack of cycling expertise. I am also preternaturally frugal so I don't have/use any kind of rack on my car. I drive a Subaru Crosstrek and I put the bike in and out of the hatch every time I ride. I used to do that with the Talera as well; the Metric seems to weigh at least 1/3 less based entirely on my estimate. I also like the simplicity of rim brakes on a bicycle and I'm not so rigorous a rider that I really have found that I need discs yet. I do go up what seem to me to be pretty challenging inclines, however, and I need to trust my brakes to bring me back down again regardless. So far, the non-hydraulics have seen me through. As I'm sure you know, this is not a true road bike by any stretch. When I'm riding it, road cyclists pass me like I'm parked, with alarming frequency. Most of that is likely because I'm not that skilled/fast of a rider. But even if you were and you were expecting to keep up with the people in teardrop helmets, skin-tight Cinzano-wear, and clip-bearing Japanese cycling shoes, forget it. As I said, I drive a Crosstrek. That's because I'm comfortable with (1) a naturally aspirated engine that I am capable of changing the oil on myself, (2) a manual transmission, and (3) a hatch back body style. The Metric 1 sort of mirrors that style to me (as detailed above). Most of the teardrop helmets could no doubt pass me while I was driving my Subaru as well as on my bike, but that's not what I bought my car or my bike for. Not judging, just sayin'. The Metric 1 is a very good bike for my purposes and for the money. It gives me just what I need to get the exercise I want. BTW, there is a sticker on the bb that says, "Made in Cambodia". FYI Cheers.