Linear Ball-Bearing Pivot Unit for Hapstone

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Upgrade Your R1/R2/V5/V7 Sharpener Optional upgrade for Hapstone R1/R2/V5/V7 sharpeners that replaces the standard PTFE insert for smoother shaft movement. Upgrade Replaces PTFE in sert This optional upgrade replaces the standard PTFE insert, delivering smoother shaft movement and eliminating the need for lubrication or cleaning. Compatibility Proven performance Originally a hallmark of the flagship Hapstone R1, this ball-bearing unit is now available for select models, including the second revision of the Hapstone M2. Enjoy the benefits of this premium upgrade for effortless and accurate sharpening. .r2-case-apple{color:#191919;line-height:1.5} .r2-case-apple *,.r2-case-apple *::before,.r2-case-apple *::after{box-sizing:border-box;font-family:inherit!important} .r2-case-apple img{display:block;width:100%;height:auto;border:0;border-radius:24px} .r2-case-apple section{margin:0 0 20px} /* HERO */ .r2-hero{text-align:center;padding:12px 0 4px} .r2-hero-copy{max-width:760px;margin:0 auto 18px} .r2-hero-media{max-width:520px;margin:0 auto} .r2-hero h1{ margin:0 0 12px; font-weight:700; letter-spacing:-0.02em; font-family:'Montserrat',sans-serif!important; color:inherit; } @media(min-width:575px){ body .r2-case-apple .r2-hero .r2-hero-copy h1.hero-text{ font-size:36px!important; line-height:50px!important; } } .r2-subtitle{ max-width:720px; margin:0 auto; font-size:19px; line-height:1.4; color:#6e6e73; } /* LABELS */ .r2-case-apple .r2-feature-card p.r2-card-label, .r2-case-apple .r2-dark-copy p.r2-card-label{ font-size:12px!important; font-weight:700!important; letter-spacing:.06em!important; text-transform:uppercase; color:#6e6e73!important; font-family:'Montserrat',sans-serif!important; margin:0 0 8px; } .r2-card-label.light{color:rgba(255,255,255,.72)!important} /* FEATURES */ .r2-feature-grid{ display:grid; gap:16px; } .r2-feature-grid-3{ grid-template-columns:repeat(2,1fr); } .r2-feature-card{ background:#f5f5f7; border-radius:24px; padding:24px; } .r2-feature-card h2{ margin:0 0 8px; padding-bottom:0!important; font-size:26px; line-height:1.15; font-weight:700; letter-spacing:-0.02em; } .r2-feature-card p{ margin:0; font-size:16px; line-height:1.45; color:#373e48; } .r2-feature-card p + p{ margin-top:10px; } /* TECH */ .r2-dark-card{ background:#191919; color:#fff; border-radius:28px; padding:28px; } .r2-dark-card-soft{ border-radius:32px; } .r2-dark-copy{ margin-bottom:18px; } .r2-spec-grid{ display:grid; gap:16px; } .r2-spec-grid-2{ grid-template-columns:repeat(2,1fr); } .r2-spec-item{ background:rgba(255,255,255,.06); border-radius:18px; padding:18px; } .r2-spec-lines{ display:flex; flex-direction:column; gap:8px; } .r2-spec-lines div{ display:flex; justify-content:space-between; align-items:flex-start; gap:12px; } .r2-spec-lines span{ font-size:13px; line-height:1.4; color:rgba(255,255,255,.75); white-space:nowrap; flex:0 0 auto; } .r2-spec-lines b{ font-size:14px; line-height:1.45; font-weight:600; color:#fff; text-align:right; flex:1 1 auto; min-width:0; word-break:break-word; overflow-wrap:anywhere; } /* MOBILE */ @media(max-width:989px){ .r2-feature-grid-3, .r2-spec-grid-2{ grid-template-columns:1fr; } } @media(max-width:749px){ .r2-feature-card, .r2-dark-card{ padding:18px; } .r2-spec-lines div{ display:grid; grid-template-columns:1fr; gap:3px; align-items:start; } .r2-spec-lines span{ font-size:12px; white-space:normal; } .r2-spec-lines b{ text-align:left; white-space:normal; word-break:break-word; overflow-wrap:anywhere; } .r2-subtitle{ font-size:17px; } } Show more