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2 Posts
Discussion Starter · #1 ·
I have a K2 Tirade (first Full suspension bike).

I would like to replace the following on the bike:

Rear Shock

I tried searching I haven't had any luck finding this info.

What size rear shock do I need?i2i length?

What size bottom bracket do I need?

Thanks again.

24 Posts
I have a Tirade and the shock is 7 inches on center I to I. Not sure on the bracket never had to change it. I'm going over the whole bike now so it is in pieces right now. If you need any measurements or pic's just let me know.:thumbsup:

2 Posts
Discussion Starter · #4 ·
Thanks for the info all.....

So is it 7inch i2i or 7.5inch i2i?

I noticed on my rear shock it has a 650x2.35 Coil. Fox Vanilla R

Is this right for me size? I am about 200lbs geared up

Also, if replacing a rear I have some flexibility in picking out a length? Meaning if my bike came stock with s 7.5 inch i2i can I fit a 7.875 in there?

finally....can somone recommend a rear shock for this bike? I am running a 02 Z1 in the front.

What are the components on your bike s10gto?

Looking to lighten this thing up a bit.

Here is my setup:

Deore Disc Wheelset
Avid Mech. with 8inch rotors
Older XT crankset From 01-02 I believe
Easton EA50 Stem
Shimano DX Platform pedals
XTR Rear Derailleur
02 Z1 Marz Fork
Tires are continenral 2.30's These things feel heavy.

This is my primary riding style ranges from XC to mellow trail stuff. I am riding downieville this weekend.

113 Posts
My specs say 7.5x2. I haven't heard of anyone running longer eye to eye's on this bike though it could be possible. We as a company would never recommend you run anything but the stock size shock. Running a longer eye to eye or a different stroke could result in frame to frame or wheel to frame contact and would void any warranty on the frame.

24 Posts
My rear shock is the one it came with. It is a Fox float R AVA. It works great once you get the air correct. I never hear of a 7 inch shock untill I measured this one the other day. I would think it would have measured 7.5. I put it end to end to a 7.5 tough shock and the fox is a 1/2 inch shorter.:confused: My K2 Tirade is a 5.0 and is mostly stock. I am in the process of replacing the 125mm vanilla R with a new 140mm vanilla RCL and FSA pro head set. The stock specs are,

Available Sizes large, medium, small
Brand K2 Bike
Component Group Mountain Mix
Fork Fox Vanilla 125R, 125mm
Frame Material Aluminum
Hubs Shimano Deore XT disc
Rims Sun Rims Rhyno Lite
Suspension Full Suspension
Tires 26 x 2.40" WTB Weirwolf
Type Mountain
General Information
Colors: Matte Black
Model: Tirade 5.0
Suggested Retail Price: 1900.00
Weight: Unspecified
Year: 2003
Brake Levers: Hayes HFX-9 Hydraulic
Brakeset: Hayes HMX-9 Hydraulic Disc brakes, Hayes HFX-9 Hydraulic levers
Front Brake: Hayes HMX-9 Hydraulic Disc
Front Brake Lever: Hayes HFX-9 Hydraulic
Rear Brake: Hayes HMX-9 Hydraulic Disc
Rear Brake Lever: Hayes HFX-9 Hydraulic
Bottom Bracket: TruVativ ISIS Drive
Bottom Bracket Shell Width: 68mm English
Bottom Bracket Spindle Length: Unspecified
Chain: Shimano CN-HG73, 1/2 x 3/32"
Chain Size: 1/2 x 3/32"
Chainrings: 22/32/44
Crankset: Race Face Prodigy DH ISIS, 22/32/44 teeth
Front Derailleur: Shimano Deore LX
Front Derailleur Type: Unspecified
Handlebar: Race Face Air Alloy DH
Handlebar Extensions: Not included
Handlebar Stem: Race Face Prodigy
Head Tube Angle: Unspecified
Headset: 1 1/8" threadless Ritchey Logic Comp
Headset Diameter: 1 1/8" threadless
Largest Rear Cog: 32
Number of Rear Cogs: 9-speed
Pedals: Time ATAC Alium
Rear Cogs: 9-speed, 11 - 32 teeth
Rear Derailleur: Shimano Deore XT
Rear Shock: Fox Float R
Rear Shock Travel: Unspecified
Saddle: WTB Speed V Comp
Seat Post Diameter: Unspecified
Seat Tube Angle: Unspecified
Seatpost: Race Face Evolve XC
Shift Levers: Shimano Deore LX
Smallest Rear Cog: 11
Fork and Suspension
Fork Crown: single
Fork Material: aluminum, single crown
Fork Travel: 125mm
Frame Angles: Unspecified
Frame Construction: TIG-welded
Frame Tubing Material: 7000 aluminum
Chainstay Length: Unspecified
Fork Rake: Unspecified
Top Tube Length: Unspecified
Wheelbase: Unspecified
Wheels and Hubs
Front Hub: Shimano Deore XT disc
Front Rim: Sun Rims Rhyno Lite
Front Tire: WTB Weirwolf
Front Tire Size: 26 x 2.40"
Rear Hub: Shimano Deore XT disc
Rear Rim: Sun Rims Rhyno Lite
Rear Tire: WTB Weirwolf
Rear Tire Size: 26 x 2.40"
Spoke Brand: stainless steel, 14ga. (2.0mm)
Spoke Gauge: 14ga. (2.0mm)
Spoke Holes: 32-hole
Spoke Material: stainless steel
Spoke Nipples: Unspecified
Spoke Type: Unspecified
More Information
Details: Frame Construction TIG-welded
Available Sizes: large, medium, small
Fork: Fox Vanilla 125R, 125mm:
ComponentGroup: Mountain Mix:
Rims: Sun Rims Rhyno Lite
Tires: 26 x 2.40" WTB Weirwolf

186 Posts
If you're interested, I have two brand new Fox Float AVA air shocks off a Tirade 5.0 (04 I believe). Never used, just sitting in a box in the garage. PM me if your interested.

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