{"product_id":"dfs-r2-hub-bearing-preload-adjustment-instructions","title":"DFS R2 Hub  Bearing Preload Adjustment Instructions","description":"\u003cp\u003echeck the video first, if still do not understand it can check this  Instructions\u003c\/p\u003e\n\u003cp\u003eStep 1 – Remove the rear wheel\u003c\/p\u003e\n\u003cp\u003eLoosen the thru-axle and remove the rear wheel from the bicycle frame.\u003c\/p\u003e\n\u003cp\u003eStep 2 – Loosen the preload locking screw\u003c\/p\u003e\n\u003cp\u003eLocate the small locking screw on the hub’s bearing preload adjustment ring.\u003c\/p\u003e\n\u003cp\u003eLoosen this screw sufficiently to allow the preload adjustment ring to rotate.\u003c\/p\u003e\n\u003cp\u003eStep 3 – Release the existing bearing preload\u003c\/p\u003e\n\u003cp\u003eTurn the preload adjustment ring outwards to reduce the existing bearing preload.\u003c\/p\u003e\n\u003cp\u003eNormally, this involves turning the ring anticlockwise. However, some hub designs use the opposite direction.\u003c\/p\u003e\n\u003cp\u003eImportant: Confirm the correct adjustment direction for the THR R2 hub before proceeding.\u003c\/p\u003e\n\u003cp\u003eStep 4 – Reinstall the rear wheel\u003c\/p\u003e\n\u003cp\u003ePlace the rear wheel back into the bicycle frame.\u003c\/p\u003e\n\u003cp\u003eInstall the thru-axle and tighten it to the bicycle manufacturer’s recommended torque.\u003c\/p\u003e\n\u003cp\u003eThe wheel must be correctly secured before adjusting the bearing preload.\u003c\/p\u003e\n\u003cp\u003eStep 5 – Adjust the bearing preload\u003c\/p\u003e\n\u003cp\u003eSlowly turn the preload adjustment ring towards the bearing assembly until you feel slight resistance.\u003c\/p\u003e\n\u003cp\u003eThe adjustment ring should make light contact with the bearing assembly, removing any excessive axial movement.\u003c\/p\u003e\n\u003cp\u003eDo not overtighten the adjustment ring.\u003c\/p\u003e\n\u003cp\u003eStep 6 – Check for bearing play\u003c\/p\u003e\n\u003cp\u003eHold the wheel rim firmly and gently rock the wheel from side to side.\u003c\/p\u003e\n\u003cp\u003eCheck for any noticeable lateral movement or knocking.\u003c\/p\u003e\n\u003cp\u003eIf movement is present, make small adjustments to the preload ring until the play is eliminated.\u003c\/p\u003e\n\u003cp\u003eStep 7 – Check bearing smoothness\u003c\/p\u003e\n\u003cp\u003eRotate the rear wheel slowly and check that it spins freely and smoothly.\u003c\/p\u003e\n\u003cp\u003eThe wheel should rotate without excessive resistance, grinding or roughness.\u003c\/p\u003e\n\u003cp\u003eIf the bearings feel excessively tight, slightly reduce the preload and check again.\u003c\/p\u003e\n\u003cp\u003eStep 8 – Secure the preload adjustment ring\u003c\/p\u003e\n\u003cp\u003eOnce the correct adjustment has been achieved, tighten the small locking screw on the preload adjustment ring.\u003c\/p\u003e\n\u003cp\u003eUse the manufacturer’s specified tightening torque.\u003c\/p\u003e\n\u003cp\u003eAfter securing the screw, check the wheel again for bearing play and smooth rotation.\u003c\/p\u003e\n\u003cp\u003eImportant information\u003c\/p\u003e\n\u003cp\u003eCorrect bearing preload adjustment should eliminate unwanted bearing play without introducing excessive bearing pressure.\u003c\/p\u003e\n\u003cp\u003eExcessive preload can cause:\u003c\/p\u003e\n\u003cp\u003e* Increased bearing friction\u003cbr\u003e* Reduced wheel rotation efficiency\u003cbr\u003e* Premature bearing wear\u003cbr\u003e* Reduced bearing service life\u003c\/p\u003e\n\u003cp\u003eManufacturer verification required: DFS should confirm the adjustment direction, locking-screw torque and precise preload procedure for the THR R2 hub before distributing these instructions as an official technical guide.\u003c\/p\u003e","brand":"DFScarbonwheels","offers":[{"title":"Default Title","offer_id":67697140170985,"sku":null,"price":399.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/dfscycle.com\/products\/dfs-r2-hub-bearing-preload-adjustment-instructions","provider":"DFScarbonwheels","version":"1.0","type":"link"}