Spied in plain sight was Diamondback’s 2013 RCX Pro Disc built up with an all new Easton EC90XD full carbon fiber disc brake fork. Clamped into the dropouts were some all new EA90XD disc cyclocross wheels, too!
Details weren’t flowing from Easton as these weren’t quite ready to be shown…seems a product manager at DB might have been a bit excited and jumped the gun. What we can tell is that the fork has a massive crown and legs with decent clearance. All curves are super smooth and post-mounts look sized for 140mm rotor…this one had a 160mm rotor with a spacer between the caliper and fork.
Read on for more pics, info and a look at the Diamondback bike they’re mounted to and more…
The EC90XD doesn’t have quite as much clearance as we’ve seen on some other forks, but without cantilever brakes to hold mud and grass, it shouldn’t be as much of an issue.
The hubs look like pared down versions of their Haven mountain bike disc hubs. Straight pull spokes laced two cross. 135mm rear spacing on this bike, meaning the rear hub is 135.
The rims are anodized (or painted) bead to bead, but it looks like there’s room for a brake track, so perhaps they pulled an existing rim?
One more look, now on to the bikes…
The RCX Pro Disc is virtually the same as their RCX Pro with the exception of the braking change. They’ve had the CCX ($900) and RCX ($1,300) for a couple years, new Pro models get more shapely seat tube that’s flared out at the bottom bracket to stiffen it up. All models are BB30 and have flattened seatstays. The top tube cover is placed where your hand usually grabs when shouldering the bike, keeping the cables from scratching the frame.
Steilacoom is a Native American tribe from their home area of Kent, Washington, as well as the name of a river there.
Flattened seatstays give it a bit of compliance over big bumps and dips.
The RCX Pro non-disc model.
The base RCX models.
The Dixon 29er freeride hardtail they showed at Interbike is now the Mason. Front travel is 140mm and it’s ready for single ring 1×10 or 2/3×10 gearing. Goes I to production this year and will 12×142 rear spacing.
