MRP G2 Chainguide
Wednesday, November 21st, 2007
For 2008, MRP has a new chainguide called the G2. It’s a lightweight guide that protects the vitals of a drivetrain and is sure to make the racer boys happy. See inside for the details.
The MRP G2 chainguide is available in ISCG or ISCG-05 mounting. If you’ve only got a bottom bracket mount, you can purchase an optional adapter to run this guide. The G2 definitely has a familiar look to it, but improves upon the design and offers some benefits over a lot of other chainguide systems.
(click to enlarge)
The G2’s bashguard connects to the backplate and protects a lot of the vital parts in the drivetrain. In addition to protecting from front and underside impacts, the G2 bashguard also extends back and protects the chainguide pulley as well. The edge bevels inward to provide a bit of additional protection.
(click to enlarge)
The G2 is a very lightweight chainguide. At 270g including all hardware, it’s a lightweight option that is sure to please any racer.
(click to enlarge)
Where the G2 might not be ideal for you is if you require side bashguard protection. The G2 ideally protects the underside and the front of the chainring and chain but won’t protect you from side impacts quite as well as a conventional bashguard that bolts to your crankarm’s spider. The bashguard measures 13.15mm wide and is built to take hits quite well with its’ 3 point contact setup. The chainguide can not be run without the bashguard though unfortunately.
(click to enlarge)
In addition to that, the G2’s bashguard is mounted onto the backplate so your frame (ISCG tabs) are going to be taking the blows instead of your crankset. Most DH frames should be ok with this, but it’s something to keep in mind and an eye on. The guide comes with steel chainring bolts so you could save a bit more weight there by using alloy bolts.
- Patented Integrated Skid Plate Design (#7,066,856)
- 5mm thick CNC Alloy Boomerang with weight-optimized relief’s
- Replaceable polycarbonate Skid w/full boomerang support
- 3-point attachment of Skid to Boomerang
- Derailleur cage style upper guide providing full chain enclosure
- Integrated Skid/Lower Guide including sealed bearing pulley wheel
- Enhanced Lower Guide rigidity and protection
- Front-access, single-bolt positioning of Upper and Lower Guide
- Low profile installation compatible with wide range of chain lines
- Available in ISCG or ISCG-05
- Capacity: 36-40 Tooth
- 270g (including long ISCG bolts)
| Parts | Year | Real(g) | Pic. |
|---|---|---|---|
| MRP G2 ISCG Backplate | 2008 | 83 |  |
| MRP G2 Plastics & Pulley | 2008 | 75 | |
| MRP G2 36-40t Bashguard | 2008 | 91 | |
| MRP G2 Steel Bashguard Bolts | 2008 | 11 | |
| MRP G2 ISCG Short Bolts | 2008 | 8 | |
| MRP G2 ISCG Long Bolts | 2008 | 11 | |
Price (MSRP)
- MPR G2: $160.00
- Replacement Boomerang: $70.00
- Replacement Skid: $45.00
- Replacement Lower Guide: $14.00
- Replacement Upper Guide: $20.00
- Replacement Pulley Wheel: $15.00
(click to enlarge)
If you’re looking to pick up one of these new guides at a great price, hit up Chad at Red Barn Bicycles or inquire with MRP on where else you can pick one of these guides up at.
Previous Coverage
November 21st, 2007 at 12:59 pm
How would you rate compared to an LG1? Taco bash aside…
November 21st, 2007 at 1:54 pm
look like an e13 to anybody else
November 21st, 2007 at 2:32 pm
Its pretty similar to the LG.1. The full wrap bash is a very nice feature to help protect the rear pulley as well.
This guide you can’t run without the bash really so on a 4x bike or courses where you don’t need a bashgaurd it might be a small downside.
I haven’t seen/got the official LG1 taco yet personally outside of a picture so i’m not sure how much it protects in comparison.
November 21st, 2007 at 3:00 pm
Thats so close to the LG1 it should be illegal .
November 21st, 2007 at 5:17 pm
“Thats so close to the LG1 it should be illegal .”
So should it have been illegal for Fox, Marzocchi, and Manitou to start producing suspension forks that looked so much like the RockShox forks that came first? Almost every part on a bike looks the same no matter the manufacturer, why should chainguides be any different?
November 21st, 2007 at 10:32 pm
The lg1 from e13 is actually a copy of the truvativ box guide wich has been arround for more than 3 years and you dont see truvativ getting upset about it.
Somebody came along with a better setup and people start criying.
November 22nd, 2007 at 2:42 am
Wasn’t there ROOX’s chainguides before Truvativ’s boxguide? I remember Chain Animal, which kind of uses same principle.
November 22nd, 2007 at 6:27 am
Didn’t MRP patent that kind of system before E13?
I thought that was the reason that E13 could never officially say what the 2 mounting holes on the boomerang were for.
November 22nd, 2007 at 11:12 am
dope. I want one. muy expensive though.
November 22nd, 2007 at 2:03 pm
The first one that i remeber was the Mr Dirt Gizmo!
November 22nd, 2007 at 4:59 pm
“Didn’t MRP patent that kind of system before E13?
I thought that was the reason that E13 could never officially say what the 2 mounting holes on the boomerang were for. ”
hmmmmm…..I didn’t know that. Is that true?
November 22nd, 2007 at 5:26 pm
The holes in the back of the e13 backplate were originally there to allow you to tighten a chainring (or check) without removing the bashguard/chainguide.
November 23rd, 2007 at 8:43 am
I think you can run this chainguide without a bash. I’ve only need to do the section behind the pulley with the same size and thickness than the original one. That’s only an idea
November 26th, 2007 at 10:34 am
The way the rear pulley sits on this guide it uses the bashguard as a stabilizer. I’m doubtful how well it would work without the bash.
December 24th, 2007 at 11:10 pm
How loud is that thing compared to the LG-1? Also, any weights for the LG-1 w/ taco for comparison? sicklines rocks, helpin me build up my new bike….
December 24th, 2007 at 11:29 pm
Its about the same noise. The LG.1 we’re waiting on the official taco from e13.
It can get sort of confusing saying how much the e13 weighs as there are various backplates you can use depending on your setup (iscg/wide, iscg05/wide, etc).
We should have a taco around January hopefully and will have a post on it. Its supposed to be 68g they say.
http://www.sicklines.com/weights if you want to see the lg.1 weights
February 1st, 2008 at 2:36 pm
[…] The G2 on sicklines.com […]