mechanic – T3mppu.kapsi.fi

New frame!

Today I got a new frame, Cube Stereo 160 C:68 27.5 action team 20″.

Here is some porn.

Converted to hardtail via 20mm electricity tube. (to prevent the swing from hitting the frame)

The scales were tipped at 2259g for the frame with internal routing guides and some screws.

Wheel clearance is quite good, chainstay measures from 75 to 80mm in the tire area.

Unfortunately the Pike is not quite the same color ;P

The downtube seemed like black in the retail pictures, but it is not 🙂

Geometry

From Cube web page:

Frame features:

Material: Carbon C:68 Monocoque Advanced Twin Mold Technology, ATG, ETC 4-Link, Boost148
Seat post: 31.6mm
Seat clamp: 34.9mm
Front deraileur: Direct Mount Side-Swing (Only compatible with Direct Mount Side-Swing front deraileur!)
Headtube diameter: Tapered 1 1/8″ – 1 1/2″ integrated IS41 – IS52
Bottom bracket housing: Pressfit 92mm
Disc brake mount rear: Postmount
Wheel size: 27.5″
Rear Shock installation length: 200x57mm
Bushings: 22x8mm / 30x8mm
Recommended Fork Travel: 160mm
Dropout: Thru Axle X12 (12x148mm) Boost

What’s wrong with my Reverb?

I recently got a broken reverb from my friend.
He said that it had had some sag and finally it totally collapsed.
I of course was interested if it could be fixed.

The post could be compressed by hand and did not hold the position.

First I noticed that it was lacking almost all of the pressure.

Continue reading “What’s wrong with my Reverb?”

Recon Silver bushing replacement part 1: removal

My trusty RockShox Recon Silver had one broken bushing as shown in my previous post. I believed that the bushings could not be changed as 2011 Recon (Silver) manual says so, but then I heard that they could be replaced and looked into 2013 manual which did not contain the info, that lower legs should be replaced after bushing wear.

I then tried to reason between running it with the broken bushing until it breaks, taking it to local shop for bushing replacement or buying new bushing and trying to fix it by myself.

The little engineer/mechanic in me took over and soon I was googling how the bushing could be replaced. I finally found a post on mtbr.com forums that had some good stuff written by username bad mechanic . So I ordered new 32mm bushings and started gathering materials for the tools.

M12 washer seemed to be properly oversized to make the extractor tool.

32mm_bushing_and_washer_for_removal_tool — 32mm bushing and M12 washer. NOTE: the old and compressed bushings were only 34.5mm, so proper tool diameter would probably be 34mm.

Continue reading “Recon Silver bushing replacement part 1: removal”

RockShox Reverb rebuild (without Reverb bleed tools)

I have a 125mm RockShox Reverb (A1) in my Enduro bike. The bike was bought second hand and the Reverb had some sag and extended easily if bike was lifted from the saddle. So it was clearly in need for full rebuild but I was lazy and kept riding as it still mostly worked.

Then came winter weather with -10 degrees C, which was enough for the Reverb in its current condition and it didn’t stay up anymore. At home I took it from the bike and it had leaked oil (or something similar but more gooey) under it, no use trying to fix it by pumping more air.

Continue reading “RockShox Reverb rebuild (without Reverb bleed tools)”