Brake calipers
Shimano Ultegra BR-R8170
Ultegra R8100's flat-mount hydraulic disc caliper, with the same increased pad clearance as Dura-Ace in a painted rather than anodised body. It's standard on Ultegra Di2 builds and also turns up on Dura-Ace-equipped tri bikes.
Fitted to 37 builds across 36 bikes in the database.
Specs
- Type
- Hydraulic disc, flat mount
- Weight
- 123 g4.3 oz
- Notes
- Claimed weight per caliper (Shimano); BikeRadar quotes 282 g per pair.
- Released
- 2021
Bikes that come with it
| Bike | Build | Price (MSRP) | Type | Notes |
|---|---|---|---|---|
| Berria Belador BR2027 | Belador BR Ultegra Di2 | €5,099€5,099€5,099 | Hydraulic disc | — |
| Berria Belador Pro2027 | Belador Pro Ultegra Di2 | €3,544€3,544€3,544 | Hydraulic disc | — |
| BMC Teammachine R 012027 | Teammachine R 01 FOUR | €7,999$8,999£7,299 | Hydraulic disc, flat mount | — |
| Canyon Aeroad CF SLX2027 | Aeroad CF SLX 8 Di2 | €5,999$6,499£5,699 | Hydraulic disc, 2-piston | — |
| Corratec CCT EVO2027 | CCT Evo Pro Di2 | €6,699€6,699€6,699 | Hydraulic disc | — |
| Cube Litening Aero C:68X2027 | Litening Aero C:68X Race | €4,999€4,999£4,999 | Hydraulic disc, flat mount | 160 mm rotors front and rear |
| Megamo Pulse SLR2027 | Pulse 04 SLR | €5,499€5,499£5,599 | Hydraulic disc | — |
| Megamo Pulse SL2027 | Pulse 05 CW | €4,999€4,999£5,099 | Hydraulic disc | — |
| Orbea Orca Aero OMX2027 | Orca Aero M20i LTD | €6,699€6,699£5,899 | Hydraulic disc | — |
| Scott Foil RC2027 | Foil RC 10 | €5,999$5,900£5,799 | Hydraulic disc | — |
| Specialized Tarmac SL92027 | Tarmac SL9 Expert - Shimano Ultegra Di2 | €6,999$6,500£5,999 | Hydraulic disc | — |
| Van Rysel RCR-F2 Pro2027 | RCR-F2 Pro Shimano Ultegra Di2 Powermeter | £6,500£6,500£6,500 | Hydraulic disc | — |
| Wilier Triestina Filante SL ID22027 | Filante SL ID2 Shimano Ultegra Di2, Vision SC 45 | €5,599€5,599€5,599 | Hydraulic disc | — |
| Aurum Essentia2026 | ESSENTIA Ultegra Di2 / Zipp 404 S | €5,020€5,020€5,020 | Hydraulic disc | — |
| Bianchi Oltre Pro2026 | Oltre Pro Ultegra Di2 (4iiii power meter) | €8,000€8,000€8,000 | Hydraulic disc | — |
| Cannondale SuperSix EVO Carbon2026 | SuperSix EVO 2 | €6,299$6,499£5,500 | Hydraulic disc, flat mount | — |
| Cannondale SuperSix EVO Hi-MOD2026 | SuperSix EVO 1 SL | €7,999$8,999£7,000 | Hydraulic disc, flat mount | — |
| Cinelli Aeroscoop2026 | Aeroscoop Shimano Ultegra Di2 | €6,900€6,900€6,900 | Hydraulic disc | — |
| Dare Velocity Ace (VA-AFO)2026 | VA-AFO S8 | €5,699$6,699€5,699 | — | — |
| Dolan Ares 3.02026 | Ares 3.0 Shimano Ultegra R8150 Di2 | £2,900£2,900£2,900 | Hydraulic disc | — |
| Felt Nexar2026 | Nexar Pro Shimano Ultegra Di2 PWR | $8,899$8,899$8,899 | Hydraulic disc, 2-piston | — |
| Felt Nexar UD Carbon STD2026 | Nexar Expert Shimano Ultegra Di2 | $6,999$6,999$6,999 | Hydraulic disc, 2-piston | — |
| Focus Izalco Max2026 | Izalco Max 9.7 | €5,999€5,999€5,999 | Hydraulic disc, flat mount | — |
| Pardus Spark EVO2026 | SPKG4 EVO Ultegra (China) | — | — | — |
| Quintana Roo Studio NEXT Service Course2026 | Studio NEXT Service Course Shimano Ultegra Di2 | — | Hydraulic disc | — |
| Quintana Roo Studio NEXT Service Course Tri2026 | Studio NEXT Service Course Tri Shimano Ultegra Di2 | — | Hydraulic disc | — |
| Quintana Roo Service Course Tri2026 | Service Course Tri Shimano Ultegra Di2 | — | Hydraulic disc | — |
| Quintana Roo Service Course2026 | Service Course Shimano Ultegra Di2 | — | Hydraulic disc | — |
| Radon Vaillant2026 | Vaillant 9.0 | €3,999€3,999€3,999 | Hydraulic disc, flat mount | — |
| Rose Shave FF2026 | Shave FF Ultegra Di2 | €5,600€5,600€5,600 | Hydraulic disc | — |
| Van Rysel RCR-F Pro2026 | RCR-F Pro Shimano Ultegra Di2 | €6,200$7,499£7,000 | Hydraulic disc | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 Shimano Ultegra Di2, Miche Kleos 50 | €8,500$9,900€8,500 | Hydraulic disc | — |
| Cinelli Pressure II2025 | Pressure 2 Ultegra Disc Di2 | €6,400€6,400€6,400 | Hydraulic disc | — |
| Cinelli Pressure II2025 | Pressure 2 Ultegra Disc Di2 (US) | $7,490$7,490$7,490 | Hydraulic disc | — |
| Colnago Y1Rs2025 | Y1Rs Shimano Ultegra Di2 | — | Hydraulic disc, flat mount | — |
| Time Scylon2025 | Scylon Shimano Ultegra | $9,999$9,999$9,999 | Hydraulic disc | — |
| Fuji Transonic2022 | Transonic 1.3 | $6,000$6,000$6,000 | Hydraulic disc | Fuji lists the brake set as 'Shimano 8170' |