NYC One Roll Posted October 8, 2020 Posted October 8, 2020 Back on Sept. 17th I had an accident with my brand new S18 (25 miles on the ODO. I experienced a speed wobble at around 25 mph, and the grip tape from the pedal slashed my achilles tendon in half on my left leg. I am looking back at the pictures I took of the S18 pedal and I can see that my set the grip tape was hanging past the pedal. Unfortunately I was in a pair of low top sneakers, but I am just putting this out there for the rest of you S18 owners to check as well, so something similar does not happen to you. Quote
Lukasz Posted October 8, 2020 Posted October 8, 2020 I wish You fast recovery. there are two things to notice: 1- Grip tape is really not enough, especially if we think that S18 is kind of "offroad" wheel - I almost fell from my S18 pedals when it was wet - they get slippery - I have immediately added screws to the pedals, but finally next week there will be NYLON pedals with stainless pins ready for S18 - check on the S18XL thread - I will post pics there. 2- Speed wobble are related to the tire pressure - as S18 is suspension wheel - people have tendency to pump the tire to 35 psi or higher - resulting in low contact surface of the tire with tarmac, which can lead to wobble especially when breaking. Pump your tire to lower pressure - For MSX I use 24 psi, so for S18 I have pumped it to 28psi. Just be aware that such pressure does not allow to hit curbs with zero attention, also - tire + shock absorber working together offer much higher comfort. 1 Quote
NYC One Roll Posted October 9, 2020 Author Posted October 9, 2020 16 hours ago, Lukasz said: I wish You fast recovery. there are two things to notice: 1- Grip tape is really not enough, especially if we think that S18 is kind of "offroad" wheel - I almost fell from my S18 pedals when it was wet - they get slippery - I have immediately added screws to the pedals, but finally next week there will be NYLON pedals with stainless pins ready for S18 - check on the S18XL thread - I will post pics there. 2- Speed wobble are related to the tire pressure - as S18 is suspension wheel - people have tendency to pump the tire to 35 psi or higher - resulting in low contact surface of the tire with tarmac, which can lead to wobble especially when breaking. Pump your tire to lower pressure - For MSX I use 24 psi, so for S18 I have pumped it to 28psi. Just be aware that such pressure does not allow to hit curbs with zero attention, also - tire + shock absorber working together offer much higher comfort. Thank you. Good info on the tire pressure, definitely might have been the issue in my case with the speed wobble. I have already sold off the s18 after the crash. Quote
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