MRP Progressive Shock Spring - Mountain Bike Coil Shock Spring

The MRP Progressive Shock Spring is a game-changing option for mountain bike coil suspension, providing increased end-stroke support for riders who push their limits. Designed to fit shocks with strokes between 50mm and 65mm, these springs offer approximately 20% more progression than traditional linear coil springs. This added support makes them ideal for frames that previously required air shocks, delivering enhanced performance and versatility.

Key Features:

• Progressive rate: Provides 20% more end-stroke support compared to linear coil springs.
• Versatile compatibility: Fits coil shocks with strokes from 50mm to 65mm.
• Enhanced adaptability: Allows coil shocks to be used on frames requiring progressive air suspension.
• Durable construction: Built to withstand the demands of aggressive riding.

Technical Information (not available for all spring options):

RSMRS201

• Effective rate: 350lb
• @ 25% sag: 350lb
• @ 90% travel: 375lb (51mm stroke), 400lb (55mm+ stroke)

RSMRS202

• Effective rate: 400lb
• @ 25% sag: 400lb
• @ 90% travel: 450lb (51-60mm stroke), 475lb (63mm+ stroke)

RSMRS203

• Effective rate: 450lb
• @ 25% sag: 425lb
• @ 90% travel: 500lb (51-60mm stroke), 525lb (63mm+ stroke)

RSMRS204

• Effective rate: 500lb
• @ 25% sag: 475lb
• @ 90% travel: 575lb (51-60mm stroke), 600lb (60mm+ stroke)

RSMRS205

• Effective rate: 550lb
• @ 25% sag: 525lb (51-60mm stroke), 475lb (63mm+ stroke)
• @ 90% travel: 650lb (51-57mm stroke), 675lb (60mm+ stroke)