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Diamondback Steilacoom RCX Cyclocross Bike Review

Updated on August 16, 2014
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Liam Hallam is a sports science graduate. He is also a keen cyclist as well as being a lover of the Derbyshire Dales and Peak District.

The Sub $1000 Cyclocross Bike Review

5 stars for Diamondback Steilacoom RCX

Does the Diamondback Steilacoom RCX Offer Value and Racing Performance?

If you’re looking for a cyclocross racer around the $1000 price point could the Diamondback Steilacoom RCX be the bike for you? It has an ultra-reliable Shimano 105 groupset and what promises to be a race performance-worthy aluminium frameset for efficient power transfer but what’s it like as a cyclocross racer? MSRP is $1499.99 but if you shop around you’ll often find prices below that mystical $1000 price mark which sounds like it represents exceptional value for money.

The Steilacoom RCX- Sub $100- Cyclocross Bargain?

Diamondback's Steilacoom RCX can often be picked up for less than $1000
Diamondback's Steilacoom RCX can often be picked up for less than $1000

What's Your CX Bike Preference?

What ultimately draws you to a cyclocross race bike?

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The Steilacoom Frame and Fork

Diamondback Steilacoom Alloy Frame and Fork

At first glance the Diamondback Steilacoom frame looks like a full-on cyclocross racer and cross country explorer. Its lightweight 7005 aluminium frameset is hydro formed to ensure additional strength where it’s needed as well as forming an impressive flattened shouldering section between top tube and seat tube for additional comfort whilst carrying your bike. S-bend seatstays also help to smooth out the ride.

The geometry is very race performance orientated with a relatively short steerer tube length (Just 13 cm in my 56cm test bike size putting the racers centre of gravity closer to the ground and had a sensible 565 mm effective top tube.

Up front a full carbon fork helps to absorb some of the shock and vibration whilst promising responsive steering when you need it most whilst providing a feeling that where you steer is the direction you'll be travelling. .

Diamondback have really come up with a very impressive frameset on such a good value bike. Aluminium frames are still favoured by many racers who eschew expensive carbon and this frameset wouldn’t look out of place on a bike with much better components and a svelte set of deep carbon tubular wheels for a pro racer look.

The black with white elements colour scheme is neutral whilst having a sporty edge. It’s simple and effective in letting you concentrate on riding while allowing you to add some coloured accessories such as bar tape over time to add some personal style such as some Giro D'Italia inspired baby pink bar tape or whatever matches your club/ team kit.

Transmission Review

The Conquest is equipped with Shimano’s reliable and durable 105 10 speed groupset. 105 offers an excellent balance between performance and cost. 105 offers high level performance and is almost unheard of in race bikes below the $1000 price point. For many racers 105 is the perfect balance between shifting quality, longevity and value.

Cyclocross specific gearing comes courtessy of FSA's Gossamer 36-46 chainset which offers a wide range of cx specific lower and mid-range gearing for whether you're knee deep in mud or tackling fast woodland fire roads.

Wheels and Tires

Wheels and Tires

The Steilacoom features a DB Equation CX wheelset featuring 20 front and 24 rear spokes. They’re not exceptionally light but should see you through your first season of racing without problems. Over time a sensible upgrade would be to take the step up to tubular wheels and tires which offer better grip at the low tire pressures cyclocross racing demands.

Kenda Small Block 8 tire’s will serve you well through dry, hard-packed early season courses, although once the going starts to get muddy you’re likely to need to change tires to something with a little more bite for the mud. The tires are more targeted towards individuals looking for a fast mixed conditions tire. Most racers will have a plethora of different tires at home (or wheels) to adjust choice of tire as course conditions change throughout fall and winter so they're not a bad choice to start with.

Finishing Kit on the Steilacoom RCX

Bars, Stem and Seatpost come courtessy of diamondbacks own label DBR brand. At this price point they’re as you’d expect. Nothing outstanding but they do the job well. The saddle is a comfortable WTB Vulcan which offers a little padding to cushion those re-mounts after a set of barriers. Saddle is always a personal point and can easily changed should a rider require.

The Verdict- How Does the Diamondback Steilacoom RCX 2014 Ride?

The Verdict- How Does the Redline Conquest 2014 Ride?

When on the trails it’s hard to tell that this is only a $1000 bike (Well you paid less than $1000 but in reality it's a $1500 dollar bike so you're smiling). The geometry is exceptionally race orientated and wants you to push into each corner whilst allowing you to accelerate out. The frame and fork offer good power transfer, whether you’re on the road to work or a cinder track in the roads wanting to pass the guy in front of you.

The only real slight let-down is the wheel weight but with such a well put together frame and component package there is always going to be some compromise. The wheels are solid and do the job yet warrant being the first component upgrade as a beginner gets further immersed into the racing scene.


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