June 10, 20187 yr So I removed my cranks from my haibike all mtn sl 2016 and discovered theres some sort of lock ring stopping me taking the chain ring off. It looks to be roughly 1.4 inches in diameter. Does anyone know how the heck I can remove those so I can replace my damaged chain ring? Its sort of recessed into the spider, which means I cant get a wrench onto it
June 10, 20187 yr you will need something like this tho this is for the bosch motor. https://www.adrenalinatv.co.uk/bosch-bosch-spider-tool-active-performance-cx.html
June 10, 20187 yr Author Its a completely different shape to the bosch one. Im going to see if i can get my hands on a 35mm socket for torque wrench. Its basically just a hex nut by the looks of it.
June 10, 20187 yr Author Ahhh yes. I can see it has "tighten" written on it. Ill just do the opposite way then
June 10, 20187 yr Author FYI check this video out, its in german but it shows how you remove the spider
June 10, 20187 yr you will need to hold the crank arm on the other side or if the chain is on pull the back brake so you can unscrew it.
November 4, 20187 yr I have the yahama version of this tool and its brilliant https://www.hibike.com/cyclus-tools-snap-in-tool-for-e-bike-catch-nut-p8317cc0199552273a2fa895c209a2090
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