Blur 1 Classic

Model Version 1 (Classic)
Production Start 2002
Production End 2005
Suspension/Pivot System VPP - Virtual Pivot Point
Material Aluminum - 6000 series
Rear Wheel Travel 115mm
Size Range S,M,L,XL

Model Specs

Compatible Forks 80mm to 100mm total travel - 100mm travel max
Headtube/Headset 1-1/8" Straight - External. S.H.I.S EC34/28.6 EC34/30
Seat Post 30.9mm - Minimum insertion 100mm
Front Derailleur 34.9mm Top Pull/Top Swing (Low Clamp)
BB Shell Width 68mm - Threaded - ISO
Chainline Spec 50mm
Recommended Max Tire Size 2.1 - may vary by tire and rim model
Brakes Rim Brake and ISO Disc Brake Mounts
Rear Hub 135mm x 10mm (QR style)
Seatpost Clamp 34.9mm

Shock Specs

Rear Shock Eye-to-Eye 7.875” / 200mm
Stroke 2.0" / 50mm
Mounting Bushing Width Front 22mm
Mounting Bushing Width Rear 18mm
Mounting Bolt Diameter Front 8mm
Mounting Bolt Diameter Rear 3/8” (9.53mm)
Leverage Ratio * 2.3 : 1 - *Note: All VPP leverage ratios vary throughout the travel, so there is not a constant linear ratio. This is the average
Rear Shock Setup Because it is highly likely the original rear shocks on older models are repaired/replaced/upgraded throughout the lifetime of the frame, we offer some very basic tuning guidelines, and recommend using the original rear shock manufacturers manual for more detailed set-up for the specific rear shock you have.Contact the rear shock manufacturer for correct manual if you do not have it.The key component for set-up with any rear shock here is sag. Once you have that set-up correctly, the rest of the shock settings are fine tuning adjustments (Rebound and Compression damping, etc.) set to rider preference.Recommended sag for this model is 10-15mm at the shock shaft. This equates to approximately 20-30% of the total rear wheel travel. Less sag = a firmer suspension feel.

Geometry

Torque Specs

Fastener Prep Torque Download
Custom M8 X 1.25 Loctite 242 80 inch lbs -
M5 X .8 X 8 allen head cap screws with washers Grease 60 inch lbs -
M6 X 1 X 8 allen head cap screw Loctite 242 70 inch lbs -
M5 X .8 X 6 allen head cap screws with washers Loctite 242 60 inch lbs -
M8 X 1.25 X14 allen head cap screw Loctite 242 60 inch lbs -