Ultra spring adjuster bolt to suit Henderson Ultra gear. A threaded bolt which screws into the bracket on the end of the spring. Four sizes available to suit each Ultra spring:

• 150 Mk1 spring - 3/8" thread with 'nut' end
• 150 Mk2 spring - 3/8" thread with hook end
• 210 spring - 3/8" thread with 'nut' end
• 225 spring - 1/2" thread with hook end

Overall length approx. 300 mm / 12"

Compatible part: cost saving alternative