In a normal spring, the coils are evenly spaced and compress at the same rate. For example, if you have a spring that has ten coils spaced a centimeter apart, and you push down one centimeter on the spring, the entire spring compresses one centimeter and each coil will then be 0.9 centimeter apart.
In a two-step linear spring (or one-step progressive), about half the coils have shorter spacing. As the spring compresses, the coils move closer.
At a certain point, the shorter spaced coils touch, effectively eliminating them from the spring. You then have a spring comprised of only the longer coils.
Hyperpro springs are an engineering work of art. Backing up this claim is a lifetime warranty against breakage.
Each spring is constructed of the finest grade of chrome-silicon wire and is guaranteed not to sag even after 1.000.000 miles of use.
Each spring is shot-peened for strength and durability and then polished to reduce friction and eliminate fork oil contamination.

Each kit comes complete with fork oil and full instructions on fitting and set up.

Displaying 36 to 70 (of 125 products)

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Product Name+	Price	Buy Now
Hyperpro Progressive Fork Springs - Honda XLV 1000 Varadero 07 ABS	£104.49
Hyperpro Progressive Fork Springs - Kawasaki GPZ 500 S 94-	£104.49
Hyperpro Progressive Fork Springs - Kawasaki KLX 650 C 92-	£104.49
Hyperpro Progressive Fork Springs - Kawasaki W 650 00-	£104.49
Hyperpro Progressive Fork Springs - Kawasaki Z 1000 03-05	£104.49
Hyperpro Progressive Fork Springs - Kawasaki Z 750 04-06	£104.49
Hyperpro Progressive Fork Springs - Kawasaki Zephyr 750 All	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZRX 1100	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZRX 1200 R 02-	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX10R 04-05	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX12R 00-01	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX12R 02-05	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX6R 00-01	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX6R 03-04	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX6R 95-97	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX6R 98-99	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX7R All	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX9R 00-01	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX9R 02-03	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZX9R C2 99	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZZR 1100 C 90-92	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZZR 1100 D	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZZR 1400 All	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZZR 600 D 90-92	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZZR 600 E1-E2	£104.49
Hyperpro Progressive Fork Springs - Kawasaki ZZR 600 E3-E13	£104.49
Hyperpro Progressive Fork Springs - Moto Guzzi Norge 2008	£104.49
Hyperpro Progressive Fork Springs - Suzuki Burgman 650 02-	£104.49
Hyperpro Progressive Fork Springs - Suzuki GS 500 E 89-02 (Adj Forks)	£104.49
Hyperpro Progressive Fork Springs - Suzuki GS 500 E 89-02 (Non Adj Forks)	£104.49
Hyperpro Progressive Fork Springs - Suzuki GS 500 F 04-05	£104.49
Hyperpro Progressive Fork Springs - Suzuki GSF 1200 Bandit 01-05	£104.49
Hyperpro Progressive Fork Springs - Suzuki GSF 1200 Bandit 95-99	£104.49
Hyperpro Progressive Fork Springs - Suzuki GSF 1250 Bandit 07 on	£104.49
Hyperpro Progressive Fork Springs - Suzuki GSF 600 Bandit 00-04	£104.49

Displaying 36 to 70 (of 125 products)

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